> ## Documentation Index
> Fetch the complete documentation index at: https://docs.useautumn.com/llms.txt
> Use this file to discover all available pages before exploring further.

# List all plans

> Lists all plans in the current environment.

Use this to retrieve all plans for displaying pricing pages or managing plan configurations.

export const DynamicResponseExample = ({json, statusCode = "200"}) => {
  const toCamelCase = str => {
    return str.replace(/_([a-z])/g, (_, c) => c.toUpperCase());
  };
  const convertKeysToCamelCase = obj => {
    if (Array.isArray(obj)) {
      return obj.map(item => convertKeysToCamelCase(item));
    }
    if (obj !== null && typeof obj === "object") {
      return Object.keys(obj).reduce((acc, key) => {
        const camelKey = toCamelCase(key);
        acc[camelKey] = convertKeysToCamelCase(obj[key]);
        return acc;
      }, {});
    }
    return obj;
  };
  const [isTypeScript, setIsTypeScript] = useState(() => {
    if (typeof window !== "undefined") {
      try {
        const lang = localStorage.getItem("code");
        return JSON.parse(lang) === "typescript";
      } catch {
        return true;
      }
    }
    return true;
  });
  useEffect(() => {
    const onMintlifyStorage = event => {
      if (event.detail?.key === "code") {
        try {
          const value = JSON.parse(event.detail.value);
          setIsTypeScript(value === "typescript");
        } catch {}
      }
    };
    const pollInterval = setInterval(() => {
      try {
        const lang = localStorage.getItem("code");
        const value = JSON.parse(lang);
        setIsTypeScript(value === "typescript");
      } catch {}
    }, 300);
    document.addEventListener("mintlify-localstorage", onMintlifyStorage);
    return () => {
      document.removeEventListener("mintlify-localstorage", onMintlifyStorage);
      clearInterval(pollInterval);
    };
  }, []);
  const camelCaseJson = useMemo(() => convertKeysToCamelCase(json), [json]);
  const snakeCaseString = JSON.stringify(json, null, 2);
  const camelCaseString = JSON.stringify(camelCaseJson, null, 2);
  return <ResponseExample>
			{isTypeScript ? <CodeBlock language="json" filename={statusCode}>
					{camelCaseString}
				</CodeBlock> : <CodeBlock language="json" filename={statusCode}>
					{snakeCaseString}
				</CodeBlock>}
		</ResponseExample>;
};

export const DynamicResponseField = ({children, name, ...props}) => {
  const convertToCamelCase = str => {
    if (typeof str !== "string") return str;
    return str.replace(/[_-](\w)/g, (_, c) => c.toUpperCase());
  };
  const [lang, setLang] = useState(() => {
    if (typeof window !== "undefined") {
      const stored = localStorage.getItem("code");
      return stored || '"typescript"';
    }
    return '"typescript"';
  });
  useEffect(() => {
    const onMintlifyStorage = event => {
      const key = event.detail?.key;
      if (key === "code") {
        setLang(event.detail.value);
      }
    };
    const pollInterval = setInterval(() => {
      const current = localStorage.getItem("code");
      if (current && current !== lang) {
        setLang(current);
      }
    }, 500);
    document.addEventListener("mintlify-localstorage", onMintlifyStorage);
    return () => {
      document.removeEventListener("mintlify-localstorage", onMintlifyStorage);
      clearInterval(pollInterval);
    };
  }, [lang]);
  const resolvedName = useMemo(() => {
    try {
      const value = JSON.parse(lang);
      const useCamelCase = value === "typescript";
      return useCamelCase ? convertToCamelCase(name) : name;
    } catch {
      return name;
    }
  }, [name, lang]);
  return <ResponseField name={resolvedName} {...props}>
			{children}
		</ResponseField>;
};

export const DynamicParamField = ({children, body, path, ...props}) => {
  const convertToCamelCase = str => {
    if (typeof str !== "string") return str;
    return str.replace(/[_-](\w)/g, (_, c) => c.toUpperCase());
  };
  const [lang, setLang] = useState(() => {
    if (typeof window !== "undefined") {
      const stored = localStorage.getItem("code");
      return stored || '"typescript"';
    }
    return '"typescript"';
  });
  useEffect(() => {
    const onMintlifyStorage = event => {
      const key = event.detail?.key;
      if (key === "code") {
        setLang(event.detail.value);
      }
    };
    const pollInterval = setInterval(() => {
      const current = localStorage.getItem("code");
      if (current && current !== lang) {
        setLang(current);
      }
    }, 500);
    document.addEventListener("mintlify-localstorage", onMintlifyStorage);
    return () => {
      document.removeEventListener("mintlify-localstorage", onMintlifyStorage);
      clearInterval(pollInterval);
    };
  }, [lang]);
  const resolvedBody = useMemo(() => {
    try {
      const value = JSON.parse(lang);
      const useCamelCase = value === "typescript";
      return useCamelCase ? convertToCamelCase(body) : body;
    } catch {
      return body;
    }
  }, [body, lang]);
  const resolvedPath = useMemo(() => {
    try {
      const value = JSON.parse(lang);
      const useCamelCase = value === "typescript";
      return useCamelCase ? convertToCamelCase(path) : path;
    } catch {
      return path;
    }
  }, [path, lang]);
  return <ParamField body={resolvedBody} path={resolvedPath} {...props}>
			{children}
		</ParamField>;
};

Lists all plans in the current environment.

<Tip>
  Pass a `customer_id` to include customer-specific eligibility info like whether a free trial is available and the attach scenario (new, upgrade, downgrade).
</Tip>

### Common Use Cases

<CodeGroup>
  ```typescript List all plans theme={null}
  const plans = await autumn.plans.list();
  ```

  ```typescript List plans with customer eligibility theme={null}
  const plans = await autumn.plans.list({
    customerId: "cus_123"
  });

  // Each plan will include customerEligibility:
  // - trialAvailable: whether customer can use the trial
  // - scenario: 'new', 'upgrade', 'downgrade', etc.
  ```

  ```typescript Include archived plans theme={null}
  const plans = await autumn.plans.list({
    includeArchived: true
  });
  ```
</CodeGroup>

### Body Parameters

<DynamicParamField body="customer_id" type="string">
  Customer ID to include eligibility info (trial availability, attach scenario).
</DynamicParamField>

<DynamicParamField body="entity_id" type="string">
  Entity ID for entity-scoped plans.
</DynamicParamField>

<DynamicParamField body="include_archived" type="boolean">
  If true, includes archived plans in the response.
</DynamicParamField>

<DynamicParamField body="all_versions" type="boolean">
  If true, includes all plan versions.
</DynamicParamField>

### Response

<DynamicResponseField name="list" type="object[]">
  <Expandable title="properties">
    <DynamicResponseField name="id" type="string">
      Unique identifier for the plan.
    </DynamicResponseField>

    <DynamicResponseField name="name" type="string">
      Display name of the plan.
    </DynamicResponseField>

    <DynamicResponseField name="description" type="string | null">
      Optional description of the plan.
    </DynamicResponseField>

    <DynamicResponseField name="group" type="string | null">
      Group identifier for organizing related plans. Plans in the same group are mutually exclusive.
    </DynamicResponseField>

    <DynamicResponseField name="version" type="number">
      Version number of the plan. Incremented when plan configuration changes.
    </DynamicResponseField>

    <DynamicResponseField name="add_on" type="boolean">
      Whether this is an add-on plan that can be attached alongside a main plan.
    </DynamicResponseField>

    <DynamicResponseField name="auto_enable" type="boolean">
      If true, this plan is automatically attached when a customer is created. Used for free plans.
    </DynamicResponseField>

    <DynamicResponseField name="price" type="object | null">
      Base recurring price for the plan. Null for free plans or usage-only plans.

      <Expandable title="properties">
        <DynamicResponseField name="amount" type="number">
          Base price amount for the plan.
        </DynamicResponseField>

        <DynamicResponseField name="additional_currencies" type="object[]">
          Base price amounts in additional currencies. The base 'amount' is in the org's default currency.

          <Expandable title="properties">
            <DynamicResponseField name="currency" type="string">
              Three-letter Stripe-supported currency code (e.g. 'eur', 'gbp').
            </DynamicResponseField>

            <DynamicResponseField name="amount" type="number">
              Price amount in this currency. Set explicitly per currency, not converted from the base amount.
            </DynamicResponseField>
          </Expandable>
        </DynamicResponseField>

        <DynamicResponseField name="interval" type="'one_off' | 'week' | 'month' | 'quarter' | 'semi_annual' | 'year'">
          Billing interval (e.g. 'month', 'year').
        </DynamicResponseField>

        <DynamicResponseField name="interval_count" type="number">
          Number of intervals per billing cycle. Defaults to 1.
        </DynamicResponseField>

        <DynamicResponseField name="display" type="object">
          Display text for showing this price in pricing pages.

          <Expandable title="properties">
            <DynamicResponseField name="primary_text" type="string">
              Main display text (e.g. '\$10' or '100 messages').
            </DynamicResponseField>

            <DynamicResponseField name="secondary_text" type="string">
              Secondary display text (e.g. 'per month' or 'then \$0.5 per 100').
            </DynamicResponseField>
          </Expandable>
        </DynamicResponseField>
      </Expandable>
    </DynamicResponseField>

    <DynamicResponseField name="items" type="object[]">
      Feature configurations included in this plan. Each item defines included units, pricing, and reset behavior for a feature.

      <Expandable title="properties">
        <DynamicResponseField name="feature_id" type="string">
          The ID of the feature this item configures.
        </DynamicResponseField>

        <DynamicResponseField name="feature" type="object">
          The full feature object if expanded.

          <Expandable title="properties">
            <DynamicResponseField name="id" type="string">
              The ID of the feature, used to refer to it in other API calls like /track or /check.
            </DynamicResponseField>

            <DynamicResponseField name="name" type="string | null">
              The name of the feature.
            </DynamicResponseField>

            <DynamicResponseField name="type" type="'static' | 'boolean' | 'single_use' | 'continuous_use' | 'credit_system' | 'ai_credit_system'">
              The type of the feature
            </DynamicResponseField>

            <DynamicResponseField name="display" type="object | null">
              Singular and plural display names for the feature.

              <Expandable title="properties">
                <DynamicResponseField name="singular" type="string">
                  The singular display name for the feature.
                </DynamicResponseField>

                <DynamicResponseField name="plural" type="string">
                  The plural display name for the feature.
                </DynamicResponseField>
              </Expandable>
            </DynamicResponseField>

            <DynamicResponseField name="credit_schema" type="object[] | null">
              Credit cost schema for credit system features.

              <Expandable title="properties">
                <DynamicResponseField name="metered_feature_id" type="string">
                  The ID of the metered feature (should be a single\_use feature).
                </DynamicResponseField>

                <DynamicResponseField name="credit_cost" type="number">
                  The credit cost of the metered feature.
                </DynamicResponseField>
              </Expandable>
            </DynamicResponseField>

            <DynamicResponseField name="archived" type="boolean | null">
              Whether or not the feature is archived.
            </DynamicResponseField>
          </Expandable>
        </DynamicResponseField>

        <DynamicResponseField name="included" type="number">
          Number of free units included. For consumable features, balance resets to this number each interval.
        </DynamicResponseField>

        <DynamicResponseField name="unlimited" type="boolean">
          Whether the customer has unlimited access to this feature.
        </DynamicResponseField>

        <DynamicResponseField name="reset" type="object | null">
          Reset configuration for consumable features. Null for non-consumable features like seats where usage persists across billing cycles.

          <Expandable title="properties">
            <DynamicResponseField name="interval" type="'one_off' | 'minute' | 'hour' | 'day' | 'week' | 'month' | 'quarter' | 'semi_annual' | 'year'">
              The interval at which the feature balance resets (e.g. 'month', 'year'). For consumable features, usage resets to 0 and included units are restored.
            </DynamicResponseField>

            <DynamicResponseField name="interval_count" type="number">
              Number of intervals between resets. Defaults to 1.
            </DynamicResponseField>
          </Expandable>
        </DynamicResponseField>

        <DynamicResponseField name="price" type="object | null">
          Pricing configuration for usage beyond included units. Null if feature is entirely free.

          <Expandable title="properties">
            <DynamicResponseField name="amount" type="number">
              Price per billing\_units after included usage is consumed. Mutually exclusive with tiers.
            </DynamicResponseField>

            <DynamicResponseField name="additional_currencies" type="object[]">
              Amounts in additional currencies for this flat price. The base 'amount' is in the org's default currency. Only valid with 'amount', not 'tiers' (tiered prices carry per-currency amounts on each tier).

              <Expandable title="properties">
                <DynamicResponseField name="currency" type="string">
                  Three-letter Stripe-supported currency code (e.g. 'eur', 'gbp').
                </DynamicResponseField>

                <DynamicResponseField name="amount" type="number">
                  Price amount in this currency. Set explicitly per currency, not converted from the base amount.
                </DynamicResponseField>
              </Expandable>
            </DynamicResponseField>

            <DynamicResponseField name="tiers" type="object[]">
              Tiered pricing configuration. Each tier's 'to' INCLUDES the included amount. Either 'tiers' or 'amount' is required.

              <Expandable title="properties">
                <DynamicResponseField name="to" type="number" />

                <DynamicResponseField name="amount" type="number" />

                <DynamicResponseField name="flat_amount" type="number" />

                <DynamicResponseField name="additional_currencies" type="object[]">
                  <Expandable title="properties">
                    <DynamicResponseField name="currency" type="string">
                      Three-letter Stripe-supported currency code (e.g. 'eur', 'gbp').
                    </DynamicResponseField>

                    <DynamicResponseField name="amount" type="number">
                      Per-unit amount for this tier in this currency.
                    </DynamicResponseField>

                    <DynamicResponseField name="flat_amount" type="number">
                      Flat amount for this tier in this currency, if the tier uses one.
                    </DynamicResponseField>
                  </Expandable>
                </DynamicResponseField>
              </Expandable>
            </DynamicResponseField>

            <DynamicResponseField name="tier_behavior" type="'graduated' | 'volume'" />

            <DynamicResponseField name="interval" type="'one_off' | 'week' | 'month' | 'quarter' | 'semi_annual' | 'year'">
              Billing interval for this price. For consumable features, should match reset.interval.
            </DynamicResponseField>

            <DynamicResponseField name="interval_count" type="number">
              Number of intervals per billing cycle. Defaults to 1.
            </DynamicResponseField>

            <DynamicResponseField name="billing_units" type="number">
              Number of units per price increment. Usage is rounded UP to the nearest billing\_units when billed (e.g. billing\_units=100 means 101 usage rounds to 200).
            </DynamicResponseField>

            <DynamicResponseField name="billing_method" type="'prepaid' | 'usage_based'">
              'prepaid' for features like seats where customers pay upfront, 'usage\_based' for pay-as-you-go after included usage.
            </DynamicResponseField>

            <DynamicResponseField name="max_purchase" type="number | null">
              Maximum units a customer can purchase beyond included. E.g. if included=100 and max\_purchase=300, customer can use up to 400 total before usage is capped. Null for no limit.
            </DynamicResponseField>
          </Expandable>
        </DynamicResponseField>

        <DynamicResponseField name="display" type="object">
          Display text for showing this item in pricing pages.

          <Expandable title="properties">
            <DynamicResponseField name="primary_text" type="string">
              Main display text (e.g. '\$10' or '100 messages').
            </DynamicResponseField>

            <DynamicResponseField name="secondary_text" type="string">
              Secondary display text (e.g. 'per month' or 'then \$0.5 per 100').
            </DynamicResponseField>
          </Expandable>
        </DynamicResponseField>

        <DynamicResponseField name="rollover" type="object">
          Rollover configuration for unused units. If set, unused included units roll over to the next period.

          <Expandable title="properties">
            <DynamicResponseField name="max" type="number | null">
              Maximum rollover units. Null for unlimited rollover.
            </DynamicResponseField>

            <DynamicResponseField name="max_percentage" type="number | null">
              Maximum rollover as a percentage (0-100) of included + prepaid grant. Mutually exclusive with max.
            </DynamicResponseField>

            <DynamicResponseField name="expiry_duration_type" type="'month' | 'forever'">
              When rolled over units expire.
            </DynamicResponseField>

            <DynamicResponseField name="expiry_duration_length" type="number">
              Number of periods before expiry.
            </DynamicResponseField>
          </Expandable>
        </DynamicResponseField>
      </Expandable>
    </DynamicResponseField>

    <DynamicResponseField name="free_trial" type="object">
      Free trial configuration. If set, new customers can try this plan before being charged.

      <Expandable title="properties">
        <DynamicResponseField name="duration_length" type="number">
          Number of duration\_type periods the trial lasts.
        </DynamicResponseField>

        <DynamicResponseField name="duration_type" type="'day' | 'month' | 'year'">
          Unit of time for the trial duration ('day', 'month', 'year').
        </DynamicResponseField>

        <DynamicResponseField name="card_required" type="boolean">
          Whether a payment method is required to start the trial. If true, customer will be charged after trial ends.
        </DynamicResponseField>

        <DynamicResponseField name="on_end" type="'bill' | 'revert'">
          Behavior when the trial ends. 'bill' charges the customer (default). 'revert' expires the trial and restores the customer's previous plan.
        </DynamicResponseField>
      </Expandable>
    </DynamicResponseField>

    <DynamicResponseField name="created_at" type="number">
      Unix timestamp (ms) when the plan was created.
    </DynamicResponseField>

    <DynamicResponseField name="env" type="'sandbox' | 'live'">
      Environment this plan belongs to ('sandbox' or 'live').
    </DynamicResponseField>

    <DynamicResponseField name="archived" type="boolean">
      Whether the plan is archived. Archived plans cannot be attached to new customers.
    </DynamicResponseField>

    <DynamicResponseField name="base_variant_id" type="string | null">
      Deprecated. Use variant\_details.base\_plan\_id instead. If this is a variant, the ID of the base plan it was created from.
    </DynamicResponseField>

    <DynamicResponseField name="variant_details" type="object">
      Details about how this variant relates to its latest base plan.

      <Expandable title="properties">
        <DynamicResponseField name="base_plan_id" type="string">
          The ID of the base plan this variant was derived from.
        </DynamicResponseField>

        <DynamicResponseField name="customize" type="object">
          The customization that transforms the base plan into this variant.

          <Expandable title="properties">
            <DynamicResponseField name="price" type="object | null">
              Base price configuration for a plan.

              <Expandable title="properties">
                <DynamicResponseField name="amount" type="number">
                  Base price amount for the plan.
                </DynamicResponseField>

                <DynamicResponseField name="interval" type="'one_off' | 'week' | 'month' | 'quarter' | 'semi_annual' | 'year'">
                  Billing interval (e.g. 'month', 'year').
                </DynamicResponseField>

                <DynamicResponseField name="interval_count" type="number">
                  Number of intervals per billing cycle. Defaults to 1.
                </DynamicResponseField>

                <DynamicResponseField name="additional_currencies" type="object[]">
                  Base price amounts in additional currencies. The base 'amount' is in the org's default currency.

                  <Expandable title="properties">
                    <DynamicResponseField name="currency" type="string">
                      Three-letter Stripe-supported currency code (e.g. 'eur', 'gbp').
                    </DynamicResponseField>

                    <DynamicResponseField name="amount" type="number">
                      Price amount in this currency. Set explicitly per currency, not converted from the base amount.
                    </DynamicResponseField>
                  </Expandable>
                </DynamicResponseField>
              </Expandable>
            </DynamicResponseField>

            <DynamicResponseField name="add_items" type="object[]">
              Items to add to the plan.

              <Expandable title="properties">
                <DynamicResponseField name="feature_id" type="string">
                  The ID of the feature to configure.
                </DynamicResponseField>

                <DynamicResponseField name="included" type="number">
                  Number of free units included. Balance resets to this each interval for consumable features.
                </DynamicResponseField>

                <DynamicResponseField name="unlimited" type="boolean">
                  If true, customer has unlimited access to this feature.
                </DynamicResponseField>

                <DynamicResponseField name="reset" type="object">
                  Reset configuration for consumable features. Omit for non-consumable features like seats.

                  <Expandable title="properties">
                    <DynamicResponseField name="interval" type="'one_off' | 'minute' | 'hour' | 'day' | 'week' | 'month' | 'quarter' | 'semi_annual' | 'year'">
                      Interval at which balance resets (e.g. 'month', 'year'). For consumable features only.
                    </DynamicResponseField>

                    <DynamicResponseField name="interval_count" type="number">
                      Number of intervals between resets. Defaults to 1.
                    </DynamicResponseField>
                  </Expandable>
                </DynamicResponseField>

                <DynamicResponseField name="price" type="object">
                  Pricing for usage beyond included units. Omit for free features.

                  <Expandable title="properties">
                    <DynamicResponseField name="amount" type="number">
                      Price per billing\_units after included usage. Either 'amount' or 'tiers' is required.
                    </DynamicResponseField>

                    <DynamicResponseField name="additional_currencies" type="object[]">
                      Amounts in additional currencies for this flat price. The base 'amount' is in the org's default currency. Only valid with 'amount', not 'tiers'.

                      <Expandable title="properties">
                        <DynamicResponseField name="currency" type="string">
                          Three-letter Stripe-supported currency code (e.g. 'eur', 'gbp').
                        </DynamicResponseField>

                        <DynamicResponseField name="amount" type="number">
                          Price amount in this currency. Set explicitly per currency, not converted from the base amount.
                        </DynamicResponseField>
                      </Expandable>
                    </DynamicResponseField>

                    <DynamicResponseField name="tiers" type="object[]">
                      Tiered pricing. Either 'amount' or 'tiers' is required.

                      <Expandable title="properties">
                        <DynamicResponseField name="to" type="any" />

                        <DynamicResponseField name="amount" type="number" />

                        <DynamicResponseField name="flat_amount" type="number" />

                        <DynamicResponseField name="additional_currencies" type="any[]" />
                      </Expandable>
                    </DynamicResponseField>

                    <DynamicResponseField name="tier_behavior" type="'graduated' | 'volume'" />

                    <DynamicResponseField name="interval" type="'one_off' | 'week' | 'month' | 'quarter' | 'semi_annual' | 'year'">
                      Billing interval. For consumable features, should match reset.interval.
                    </DynamicResponseField>

                    <DynamicResponseField name="interval_count" type="number">
                      Number of intervals per billing cycle. Defaults to 1.
                    </DynamicResponseField>

                    <DynamicResponseField name="billing_units" type="number">
                      Units per price increment. Usage is rounded UP when billed (e.g. billing\_units=100 means 101 rounds to 200).
                    </DynamicResponseField>

                    <DynamicResponseField name="billing_method" type="'prepaid' | 'usage_based'">
                      'prepaid' for upfront payment (seats), 'usage\_based' for pay-as-you-go.
                    </DynamicResponseField>

                    <DynamicResponseField name="max_purchase" type="number | null">
                      Max units purchasable beyond included. E.g. included=100, max\_purchase=300 allows 400 total. Null for no limit.
                    </DynamicResponseField>
                  </Expandable>
                </DynamicResponseField>

                <DynamicResponseField name="proration" type="object">
                  Proration settings for prepaid features. Controls mid-cycle quantity change billing.

                  <Expandable title="properties">
                    <DynamicResponseField name="on_increase" type="'bill_immediately' | 'prorate_immediately' | 'prorate_next_cycle' | 'bill_next_cycle'">
                      Billing behavior when quantity increases mid-cycle.
                    </DynamicResponseField>

                    <DynamicResponseField name="on_decrease" type="'prorate' | 'prorate_immediately' | 'prorate_next_cycle' | 'none' | 'no_prorations'">
                      Credit behavior when quantity decreases mid-cycle.
                    </DynamicResponseField>
                  </Expandable>
                </DynamicResponseField>

                <DynamicResponseField name="rollover" type="object">
                  Rollover config for unused units. If set, unused included units carry over.

                  <Expandable title="properties">
                    <DynamicResponseField name="max" type="number">
                      Max rollover units. Omit for unlimited rollover.
                    </DynamicResponseField>

                    <DynamicResponseField name="max_percentage" type="number">
                      Maximum rollover as a percentage (0-100) of included + prepaid grant. Mutually exclusive with max.
                    </DynamicResponseField>

                    <DynamicResponseField name="expiry_duration_type" type="'month' | 'forever'">
                      When rolled over units expire.
                    </DynamicResponseField>

                    <DynamicResponseField name="expiry_duration_length" type="number">
                      Number of periods before expiry.
                    </DynamicResponseField>
                  </Expandable>
                </DynamicResponseField>
              </Expandable>
            </DynamicResponseField>

            <DynamicResponseField name="remove_items" type="object[]">
              Filters selecting items to remove from the plan.

              <Expandable title="properties">
                <DynamicResponseField name="feature_id" type="string">
                  Match items linked to this feature.
                </DynamicResponseField>

                <DynamicResponseField name="billing_method" type="'prepaid' | 'usage_based'">
                  Match items with this billing method (prepaid or usage\_based).
                </DynamicResponseField>

                <DynamicResponseField name="interval" type="'one_off' | 'week' | 'month' | 'quarter' | 'semi_annual' | 'year'">
                  Match items with this interval. Accepts either a BillingInterval (price-side) or a ResetInterval (reset-side, includes day/hour/minute) so price-less items keyed by reset.interval can be disambiguated.
                </DynamicResponseField>

                <DynamicResponseField name="interval_count" type="integer">
                  Match items with this interval\_count. Disambiguates between items that share an interval but differ in count.
                </DynamicResponseField>
              </Expandable>
            </DynamicResponseField>

            <DynamicResponseField name="free_trial" type="object | null">
              Free trial configuration for a plan.

              <Expandable title="properties">
                <DynamicResponseField name="duration_length" type="number">
                  Number of duration\_type periods the trial lasts.
                </DynamicResponseField>

                <DynamicResponseField name="duration_type" type="'day' | 'month' | 'year'">
                  Unit of time for the trial ('day', 'month', 'year').
                </DynamicResponseField>

                <DynamicResponseField name="card_required" type="boolean">
                  If true, payment method required to start trial. Customer is charged after trial ends.
                </DynamicResponseField>

                <DynamicResponseField name="on_end" type="'bill' | 'revert'">
                  Behavior when the trial ends. 'bill' charges the customer (default). 'revert' expires the trial and restores the customer's previous plan.
                </DynamicResponseField>
              </Expandable>
            </DynamicResponseField>

            <DynamicResponseField name="billing_controls" type="object">
              Override the plan's billing controls (auto top-ups, spend limits, usage limits, usage alerts, overage allowed) for this customer.

              <Expandable title="properties">
                <DynamicResponseField name="auto_topups" type="object[]">
                  List of auto top-up configurations per feature.

                  <Expandable title="properties">
                    <DynamicResponseField name="feature_id" type="string">
                      The ID of the feature (credit balance) to auto top-up.
                    </DynamicResponseField>

                    <DynamicResponseField name="enabled" type="boolean">
                      Whether auto top-up is enabled.
                    </DynamicResponseField>

                    <DynamicResponseField name="threshold" type="number">
                      When the balance drops below this threshold, an auto top-up will be purchased.
                    </DynamicResponseField>

                    <DynamicResponseField name="quantity" type="number">
                      Amount of credits to add per auto top-up.
                    </DynamicResponseField>

                    <DynamicResponseField name="purchase_limit" type="object">
                      Optional rate limit to cap how often auto top-ups occur. Pass count to set the current window's consumed top-ups.

                      <Expandable title="properties">
                        <DynamicResponseField name="interval" type="'hour' | 'day' | 'week' | 'month'">
                          The time interval for the purchase limit window.
                        </DynamicResponseField>

                        <DynamicResponseField name="interval_count" type="number">
                          Number of intervals in the purchase limit window.
                        </DynamicResponseField>

                        <DynamicResponseField name="limit" type="number">
                          Maximum number of auto top-ups allowed within the interval.
                        </DynamicResponseField>

                        <DynamicResponseField name="count" type="number">
                          Set the current window's consumed auto top-up count. Omit to leave runtime state unchanged.
                        </DynamicResponseField>
                      </Expandable>
                    </DynamicResponseField>

                    <DynamicResponseField name="invoice_mode" type="boolean">
                      When true, auto top-up creates a send\_invoice invoice instead of auto-charging.
                    </DynamicResponseField>
                  </Expandable>
                </DynamicResponseField>

                <DynamicResponseField name="spend_limits" type="object[]">
                  List of overage spend limits per feature (caps overage spend).

                  <Expandable title="properties">
                    <DynamicResponseField name="feature_id" type="string">
                      Optional feature ID this spend limit applies to.
                    </DynamicResponseField>

                    <DynamicResponseField name="enabled" type="boolean">
                      Whether the overage spend limit is enabled.
                    </DynamicResponseField>

                    <DynamicResponseField name="limit_type" type="'absolute' | 'usage_percentage'">
                      How overage\_limit is interpreted: an absolute overage cap (default) or a percentage of the main-plan allowance.
                    </DynamicResponseField>

                    <DynamicResponseField name="overage_limit" type="number">
                      Overage cap for the feature: absolute units, or a percent (e.g. 120) when limit\_type is usage\_percentage.
                    </DynamicResponseField>

                    <DynamicResponseField name="skip_overage_billing" type="boolean">
                      When true, overage for this feature is not posted to Stripe. Usage tracking and balance resets still behave normally.
                    </DynamicResponseField>
                  </Expandable>
                </DynamicResponseField>

                <DynamicResponseField name="usage_limits" type="object[]">
                  List of hard usage caps per feature (max units per interval).

                  <Expandable title="properties">
                    <DynamicResponseField name="feature_id" type="string">
                      The feature this usage limit applies to.
                    </DynamicResponseField>

                    <DynamicResponseField name="enabled" type="boolean">
                      Whether this usage limit is enabled.
                    </DynamicResponseField>

                    <DynamicResponseField name="limit" type="number">
                      Maximum units allowed per interval.
                    </DynamicResponseField>

                    <DynamicResponseField name="interval" type="'day' | 'week' | 'month' | 'year'">
                      Interval for the cap, aligned to the customer's billing cycle.
                    </DynamicResponseField>

                    <DynamicResponseField name="filter" type="object">
                      When set, only usage from events whose properties match counts toward this cap. Omit to count all usage of the feature.

                      <Expandable title="properties">
                        <DynamicResponseField name="properties" type="object" />
                      </Expandable>
                    </DynamicResponseField>
                  </Expandable>
                </DynamicResponseField>

                <DynamicResponseField name="usage_alerts" type="object[]">
                  List of usage alert configurations per feature.

                  <Expandable title="properties">
                    <DynamicResponseField name="feature_id" type="string">
                      The feature ID this alert applies to.
                    </DynamicResponseField>

                    <DynamicResponseField name="enabled" type="boolean">
                      Whether this usage alert is enabled.
                    </DynamicResponseField>

                    <DynamicResponseField name="threshold" type="number">
                      The threshold value that triggers the alert. For usage or remaining, this is an absolute count. For usage\_percentage or remaining\_percentage, this is a percentage (0-100).
                    </DynamicResponseField>

                    <DynamicResponseField name="threshold_type" type="'usage' | 'usage_percentage' | 'remaining' | 'remaining_percentage'">
                      Whether the threshold is an absolute count or a percentage of the usage allowance or remaining balance.
                    </DynamicResponseField>

                    <DynamicResponseField name="name" type="string">
                      Optional user-defined label to distinguish multiple alerts on the same feature.
                    </DynamicResponseField>
                  </Expandable>
                </DynamicResponseField>

                <DynamicResponseField name="overage_allowed" type="object[]">
                  List of overage allowed controls per feature. When enabled, usage can exceed balance.

                  <Expandable title="properties">
                    <DynamicResponseField name="feature_id" type="string">
                      The feature ID this overage allowed control applies to.
                    </DynamicResponseField>

                    <DynamicResponseField name="enabled" type="boolean">
                      Whether overage is allowed for this feature.
                    </DynamicResponseField>
                  </Expandable>
                </DynamicResponseField>
              </Expandable>
            </DynamicResponseField>
          </Expandable>
        </DynamicResponseField>
      </Expandable>
    </DynamicResponseField>

    <DynamicResponseField name="config" type="object">
      Miscellaneous plan-level configuration flags.

      <Expandable title="properties">
        <DynamicResponseField name="ignore_past_due" type="boolean">
          If true, entitlements attached to this plan will still reset on schedule even when the customer's product is in a past\_due state.
        </DynamicResponseField>
      </Expandable>
    </DynamicResponseField>

    <DynamicResponseField name="billing_controls" type="object">
      Plan-level billing controls used as customer defaults.

      <Expandable title="properties">
        <DynamicResponseField name="auto_topups" type="object[]">
          List of auto top-up configurations per feature.

          <Expandable title="properties">
            <DynamicResponseField name="feature_id" type="string">
              The ID of the feature (credit balance) to auto top-up.
            </DynamicResponseField>

            <DynamicResponseField name="enabled" type="boolean">
              Whether auto top-up is enabled.
            </DynamicResponseField>

            <DynamicResponseField name="threshold" type="number">
              When the balance drops below this threshold, an auto top-up will be purchased.
            </DynamicResponseField>

            <DynamicResponseField name="quantity" type="number">
              Amount of credits to add per auto top-up.
            </DynamicResponseField>

            <DynamicResponseField name="purchase_limit" type="object">
              Optional rate limit to cap how often auto top-ups occur.

              <Expandable title="properties">
                <DynamicResponseField name="interval" type="'hour' | 'day' | 'week' | 'month'">
                  The time interval for the purchase limit window.
                </DynamicResponseField>

                <DynamicResponseField name="interval_count" type="number">
                  Number of intervals in the purchase limit window.
                </DynamicResponseField>

                <DynamicResponseField name="limit" type="number">
                  Maximum number of auto top-ups allowed within the interval.
                </DynamicResponseField>
              </Expandable>
            </DynamicResponseField>

            <DynamicResponseField name="invoice_mode" type="boolean">
              When true, auto top-up creates a send\_invoice invoice instead of auto-charging.
            </DynamicResponseField>
          </Expandable>
        </DynamicResponseField>

        <DynamicResponseField name="spend_limits" type="object[]">
          List of overage spend limits per feature (caps overage spend).

          <Expandable title="properties">
            <DynamicResponseField name="feature_id" type="string">
              Optional feature ID this spend limit applies to.
            </DynamicResponseField>

            <DynamicResponseField name="enabled" type="boolean">
              Whether the overage spend limit is enabled.
            </DynamicResponseField>

            <DynamicResponseField name="limit_type" type="'absolute' | 'usage_percentage'">
              How overage\_limit is interpreted: an absolute overage cap (default) or a percentage of the main-plan allowance.
            </DynamicResponseField>

            <DynamicResponseField name="overage_limit" type="number">
              Overage cap for the feature: absolute units, or a percent (e.g. 120) when limit\_type is usage\_percentage.
            </DynamicResponseField>

            <DynamicResponseField name="skip_overage_billing" type="boolean">
              When true, overage for this feature is not posted to Stripe. Usage tracking and balance resets still behave normally.
            </DynamicResponseField>
          </Expandable>
        </DynamicResponseField>

        <DynamicResponseField name="usage_limits" type="object[]">
          List of hard usage caps per feature (max units per interval).

          <Expandable title="properties">
            <DynamicResponseField name="feature_id" type="string">
              The feature this usage limit applies to.
            </DynamicResponseField>

            <DynamicResponseField name="enabled" type="boolean">
              Whether this usage limit is enabled.
            </DynamicResponseField>

            <DynamicResponseField name="limit" type="number">
              Maximum units allowed per interval.
            </DynamicResponseField>

            <DynamicResponseField name="interval" type="'day' | 'week' | 'month' | 'year'">
              Interval for the cap, aligned to the customer's billing cycle.
            </DynamicResponseField>

            <DynamicResponseField name="filter" type="object">
              When set, only usage from events whose properties match counts toward this cap. Omit to count all usage of the feature.

              <Expandable title="properties">
                <DynamicResponseField name="properties" type="object" />
              </Expandable>
            </DynamicResponseField>
          </Expandable>
        </DynamicResponseField>

        <DynamicResponseField name="usage_alerts" type="object[]">
          List of usage alert configurations per feature.

          <Expandable title="properties">
            <DynamicResponseField name="feature_id" type="string">
              The feature ID this alert applies to.
            </DynamicResponseField>

            <DynamicResponseField name="enabled" type="boolean">
              Whether this usage alert is enabled.
            </DynamicResponseField>

            <DynamicResponseField name="threshold" type="number">
              The threshold value that triggers the alert. For usage or remaining, this is an absolute count. For usage\_percentage or remaining\_percentage, this is a percentage (0-100).
            </DynamicResponseField>

            <DynamicResponseField name="threshold_type" type="'usage' | 'usage_percentage' | 'remaining' | 'remaining_percentage'">
              Whether the threshold is an absolute count or a percentage of the usage allowance or remaining balance.
            </DynamicResponseField>

            <DynamicResponseField name="name" type="string">
              Optional user-defined label to distinguish multiple alerts on the same feature.
            </DynamicResponseField>
          </Expandable>
        </DynamicResponseField>

        <DynamicResponseField name="overage_allowed" type="object[]">
          List of overage allowed controls per feature. When enabled, usage can exceed balance.

          <Expandable title="properties">
            <DynamicResponseField name="feature_id" type="string">
              The feature ID this overage allowed control applies to.
            </DynamicResponseField>

            <DynamicResponseField name="enabled" type="boolean">
              Whether overage is allowed for this feature.
            </DynamicResponseField>
          </Expandable>
        </DynamicResponseField>
      </Expandable>
    </DynamicResponseField>

    <DynamicResponseField name="metadata" type="object">
      Arbitrary key-value metadata defined by you for your own use. Shared across all versions of the plan.
    </DynamicResponseField>

    <DynamicResponseField name="customer_eligibility" type="object">
      <Expandable title="properties">
        <DynamicResponseField name="trial_available" type="boolean">
          Whether the trial on this plan is available to this customer. For example, if the customer used the trial in the past, this will be false.
        </DynamicResponseField>

        <DynamicResponseField name="status" type="'active' | 'scheduled'">
          The customer's current status with this plan. 'active' if attached, 'scheduled' if pending activation.
        </DynamicResponseField>

        <DynamicResponseField name="canceling" type="boolean">
          Whether the customer's active instance of this plan is set to cancel.
        </DynamicResponseField>

        <DynamicResponseField name="trialing" type="boolean">
          Whether the customer is currently on a free trial of this plan.
        </DynamicResponseField>

        <DynamicResponseField name="attach_action" type="'activate' | 'upgrade' | 'downgrade' | 'none' | 'purchase'">
          The action that would occur if this plan were attached to the customer.
        </DynamicResponseField>
      </Expandable>
    </DynamicResponseField>
  </Expandable>
</DynamicResponseField>

<ResponseExample>
  ```json 200 theme={null}
  {
    "list": [
      {
        "id": "pro",
        "name": "Pro Plan",
        "description": null,
        "group": null,
        "version": 1,
        "addOn": false,
        "autoEnable": false,
        "price": {
          "amount": 10,
          "interval": "month",
          "display": {
            "primaryText": "$10",
            "secondaryText": "per month"
          }
        },
        "items": [
          {
            "featureId": "messages",
            "included": 100,
            "unlimited": false,
            "reset": {
              "interval": "month"
            },
            "price": {
              "amount": 0.5,
              "interval": "month",
              "billingUnits": 100,
              "billingMethod": "usage_based",
              "maxPurchase": null
            },
            "display": {
              "primaryText": "100 messages",
              "secondaryText": "then $0.5 per 100 messages"
            }
          },
          {
            "featureId": "users",
            "included": 0,
            "unlimited": false,
            "reset": null,
            "price": {
              "amount": 10,
              "interval": "month",
              "billingUnits": 1,
              "billingMethod": "prepaid",
              "maxPurchase": null
            },
            "display": {
              "primaryText": "$10 per Users"
            }
          }
        ],
        "createdAt": 1771513979217,
        "env": "sandbox",
        "archived": false,
        "baseVariantId": null,
        "config": {
          "ignore_past_due": false
        },
        "billing_controls": {},
        "metadata": {}
      }
    ]
  }
  ```
</ResponseExample>


## OpenAPI

````yaml openapi POST /v1/plans.list
openapi: 3.1.0
info:
  title: Autumn API
  version: 2.3.0
servers:
  - url: https://api.useautumn.com
    description: Production server
security:
  - secretKey: []
paths:
  /v1/plans.list:
    post:
      tags:
        - plans
      summary: List all plans
      description: >-
        Lists all plans in the current environment.


        Use this to retrieve all plans for displaying pricing pages or managing
        plan configurations.
      operationId: listPlans
      parameters:
        - name: x-api-version
          in: header
          required: true
          schema:
            type: string
            default: 2.3.0
          x-speakeasy-globals-hidden: true
      requestBody:
        required: false
        content:
          application/json:
            schema:
              type: object
              properties:
                customer_id:
                  type: string
                  description: >-
                    Customer ID to include eligibility info (trial availability,
                    attach scenario).
                entity_id:
                  type: string
                  description: Entity ID for entity-scoped plans.
                include_archived:
                  type: boolean
                  description: If true, includes archived plans in the response.
                all_versions:
                  type: boolean
                  description: If true, includes all plan versions.
              title: ListPlansParams
              examples:
                - {}
                - customer_id: cus_123
                - include_archived: true
            example: {}
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                type: object
                properties:
                  list:
                    type: array
                    items:
                      type: object
                      properties:
                        id:
                          type: string
                          description: Unique identifier for the plan.
                        name:
                          type: string
                          description: Display name of the plan.
                        description:
                          anyOf:
                            - type: string
                            - type: 'null'
                          description: Optional description of the plan.
                        group:
                          anyOf:
                            - type: string
                            - type: 'null'
                          description: >-
                            Group identifier for organizing related plans. Plans
                            in the same group are mutually exclusive.
                        version:
                          type: number
                          description: >-
                            Version number of the plan. Incremented when plan
                            configuration changes.
                        add_on:
                          type: boolean
                          description: >-
                            Whether this is an add-on plan that can be attached
                            alongside a main plan.
                        auto_enable:
                          type: boolean
                          description: >-
                            If true, this plan is automatically attached when a
                            customer is created. Used for free plans.
                        price:
                          anyOf:
                            - type: object
                              properties:
                                amount:
                                  type: number
                                  description: Base price amount for the plan.
                                additional_currencies:
                                  type: array
                                  items:
                                    type: object
                                    properties:
                                      currency:
                                        type: string
                                        description: >-
                                          Three-letter Stripe-supported currency
                                          code (e.g. 'eur', 'gbp').
                                      amount:
                                        type: number
                                        description: >-
                                          Price amount in this currency. Set
                                          explicitly per currency, not converted
                                          from the base amount.
                                    required:
                                      - currency
                                      - amount
                                  description: >-
                                    Base price amounts in additional currencies.
                                    The base 'amount' is in the org's default
                                    currency.
                                interval:
                                  enum:
                                    - one_off
                                    - week
                                    - month
                                    - quarter
                                    - semi_annual
                                    - year
                                  type: string
                                  description: Billing interval (e.g. 'month', 'year').
                                interval_count:
                                  type: number
                                  description: >-
                                    Number of intervals per billing cycle.
                                    Defaults to 1.
                                display:
                                  type: object
                                  properties:
                                    primary_text:
                                      type: string
                                      description: >-
                                        Main display text (e.g. '$10' or '100
                                        messages').
                                    secondary_text:
                                      type: string
                                      description: >-
                                        Secondary display text (e.g. 'per month'
                                        or 'then $0.5 per 100').
                                  required:
                                    - primary_text
                                  description: >-
                                    Display text for showing this price in
                                    pricing pages.
                              required:
                                - amount
                                - interval
                            - type: 'null'
                          description: >-
                            Base recurring price for the plan. Null for free
                            plans or usage-only plans.
                        items:
                          type: array
                          items:
                            type: object
                            properties:
                              feature_id:
                                type: string
                                description: The ID of the feature this item configures.
                              feature:
                                type: object
                                properties:
                                  id:
                                    type: string
                                    description: >-
                                      The ID of the feature, used to refer to it
                                      in other API calls like /track or /check.
                                  name:
                                    anyOf:
                                      - type: string
                                      - type: 'null'
                                    description: The name of the feature.
                                  type:
                                    enum:
                                      - static
                                      - boolean
                                      - single_use
                                      - continuous_use
                                      - credit_system
                                      - ai_credit_system
                                    type: string
                                    description: The type of the feature
                                  display:
                                    anyOf:
                                      - type: object
                                        properties:
                                          singular:
                                            type: string
                                            description: >-
                                              The singular display name for the
                                              feature.
                                          plural:
                                            type: string
                                            description: The plural display name for the feature.
                                        required:
                                          - singular
                                          - plural
                                      - type: 'null'
                                    description: >-
                                      Singular and plural display names for the
                                      feature.
                                  credit_schema:
                                    anyOf:
                                      - type: array
                                        items:
                                          type: object
                                          properties:
                                            metered_feature_id:
                                              type: string
                                              description: >-
                                                The ID of the metered feature (should be
                                                a single_use feature).
                                            credit_cost:
                                              type: number
                                              description: The credit cost of the metered feature.
                                          required:
                                            - metered_feature_id
                                            - credit_cost
                                      - type: 'null'
                                    description: >-
                                      Credit cost schema for credit system
                                      features.
                                  archived:
                                    anyOf:
                                      - type: boolean
                                      - type: 'null'
                                    description: Whether or not the feature is archived.
                                required:
                                  - id
                                  - type
                                description: The full feature object if expanded.
                              included:
                                type: number
                                description: >-
                                  Number of free units included. For consumable
                                  features, balance resets to this number each
                                  interval.
                              unlimited:
                                type: boolean
                                description: >-
                                  Whether the customer has unlimited access to
                                  this feature.
                              reset:
                                anyOf:
                                  - type: object
                                    properties:
                                      interval:
                                        enum:
                                          - one_off
                                          - minute
                                          - hour
                                          - day
                                          - week
                                          - month
                                          - quarter
                                          - semi_annual
                                          - year
                                        type: string
                                        description: >-
                                          The interval at which the feature
                                          balance resets (e.g. 'month', 'year').
                                          For consumable features, usage resets to
                                          0 and included units are restored.
                                      interval_count:
                                        type: number
                                        description: >-
                                          Number of intervals between resets.
                                          Defaults to 1.
                                    required:
                                      - interval
                                  - type: 'null'
                                description: >-
                                  Reset configuration for consumable features.
                                  Null for non-consumable features like seats
                                  where usage persists across billing cycles.
                              price:
                                anyOf:
                                  - type: object
                                    properties:
                                      amount:
                                        type: number
                                        description: >-
                                          Price per billing_units after included
                                          usage is consumed. Mutually exclusive
                                          with tiers.
                                      additional_currencies:
                                        type: array
                                        items:
                                          type: object
                                          properties:
                                            currency:
                                              type: string
                                              description: >-
                                                Three-letter Stripe-supported currency
                                                code (e.g. 'eur', 'gbp').
                                            amount:
                                              type: number
                                              description: >-
                                                Price amount in this currency. Set
                                                explicitly per currency, not converted
                                                from the base amount.
                                          required:
                                            - currency
                                            - amount
                                        description: >-
                                          Amounts in additional currencies for
                                          this flat price. The base 'amount' is in
                                          the org's default currency. Only valid
                                          with 'amount', not 'tiers' (tiered
                                          prices carry per-currency amounts on
                                          each tier).
                                      tiers:
                                        type: array
                                        items:
                                          type: object
                                          properties:
                                            to:
                                              anyOf:
                                                - type: number
                                                - const: inf
                                            amount:
                                              type: number
                                            flat_amount:
                                              type: number
                                            additional_currencies:
                                              type: array
                                              items:
                                                type: object
                                                properties:
                                                  currency:
                                                    type: string
                                                    description: >-
                                                      Three-letter Stripe-supported currency
                                                      code (e.g. 'eur', 'gbp').
                                                  amount:
                                                    type: number
                                                    description: >-
                                                      Per-unit amount for this tier in this
                                                      currency.
                                                  flat_amount:
                                                    type: number
                                                    description: >-
                                                      Flat amount for this tier in this
                                                      currency, if the tier uses one.
                                                required:
                                                  - currency
                                          required:
                                            - to
                                            - amount
                                        description: >-
                                          Tiered pricing configuration. Each
                                          tier's 'to' INCLUDES the included
                                          amount. Either 'tiers' or 'amount' is
                                          required.
                                      tier_behavior:
                                        enum:
                                          - graduated
                                          - volume
                                        type: string
                                      interval:
                                        enum:
                                          - one_off
                                          - week
                                          - month
                                          - quarter
                                          - semi_annual
                                          - year
                                        type: string
                                        description: >-
                                          Billing interval for this price. For
                                          consumable features, should match
                                          reset.interval.
                                      interval_count:
                                        type: number
                                        description: >-
                                          Number of intervals per billing cycle.
                                          Defaults to 1.
                                      billing_units:
                                        type: number
                                        description: >-
                                          Number of units per price increment.
                                          Usage is rounded UP to the nearest
                                          billing_units when billed (e.g.
                                          billing_units=100 means 101 usage rounds
                                          to 200).
                                      billing_method:
                                        enum:
                                          - prepaid
                                          - usage_based
                                        type: string
                                        description: >-
                                          'prepaid' for features like seats where
                                          customers pay upfront, 'usage_based' for
                                          pay-as-you-go after included usage.
                                      max_purchase:
                                        anyOf:
                                          - type: number
                                          - type: 'null'
                                        description: >-
                                          Maximum units a customer can purchase
                                          beyond included. E.g. if included=100
                                          and max_purchase=300, customer can use
                                          up to 400 total before usage is capped.
                                          Null for no limit.
                                    required:
                                      - interval
                                      - billing_units
                                      - billing_method
                                      - max_purchase
                                  - type: 'null'
                                description: >-
                                  Pricing configuration for usage beyond
                                  included units. Null if feature is entirely
                                  free.
                              display:
                                type: object
                                properties:
                                  primary_text:
                                    type: string
                                    description: >-
                                      Main display text (e.g. '$10' or '100
                                      messages').
                                  secondary_text:
                                    type: string
                                    description: >-
                                      Secondary display text (e.g. 'per month'
                                      or 'then $0.5 per 100').
                                required:
                                  - primary_text
                                description: >-
                                  Display text for showing this item in pricing
                                  pages.
                              rollover:
                                type: object
                                properties:
                                  max:
                                    anyOf:
                                      - type: number
                                      - type: 'null'
                                    description: >-
                                      Maximum rollover units. Null for unlimited
                                      rollover.
                                  max_percentage:
                                    anyOf:
                                      - type: number
                                      - type: 'null'
                                    description: >-
                                      Maximum rollover as a percentage (0-100)
                                      of included + prepaid grant. Mutually
                                      exclusive with max.
                                  expiry_duration_type:
                                    enum:
                                      - month
                                      - forever
                                    type: string
                                    description: When rolled over units expire.
                                  expiry_duration_length:
                                    type: number
                                    description: Number of periods before expiry.
                                required:
                                  - max
                                  - expiry_duration_type
                                description: >-
                                  Rollover configuration for unused units. If
                                  set, unused included units roll over to the
                                  next period.
                            required:
                              - feature_id
                              - included
                              - unlimited
                              - reset
                              - price
                          description: >-
                            Feature configurations included in this plan. Each
                            item defines included units, pricing, and reset
                            behavior for a feature.
                        free_trial:
                          type: object
                          properties:
                            duration_length:
                              type: number
                              description: Number of duration_type periods the trial lasts.
                            duration_type:
                              enum:
                                - day
                                - month
                                - year
                              type: string
                              description: >-
                                Unit of time for the trial duration ('day',
                                'month', 'year').
                            card_required:
                              type: boolean
                              description: >-
                                Whether a payment method is required to start
                                the trial. If true, customer will be charged
                                after trial ends.
                            on_end:
                              anyOf:
                                - enum:
                                    - bill
                                    - revert
                                  type: string
                                - type: 'null'
                              description: >-
                                Behavior when the trial ends. 'bill' charges the
                                customer (default). 'revert' expires the trial
                                and restores the customer's previous plan.
                          required:
                            - duration_length
                            - duration_type
                            - card_required
                          description: >-
                            Free trial configuration. If set, new customers can
                            try this plan before being charged.
                        created_at:
                          type: number
                          description: Unix timestamp (ms) when the plan was created.
                        env:
                          enum:
                            - sandbox
                            - live
                          type: string
                          description: >-
                            Environment this plan belongs to ('sandbox' or
                            'live').
                        archived:
                          type: boolean
                          description: >-
                            Whether the plan is archived. Archived plans cannot
                            be attached to new customers.
                        base_variant_id:
                          anyOf:
                            - type: string
                            - type: 'null'
                          description: >-
                            Deprecated. Use variant_details.base_plan_id
                            instead. If this is a variant, the ID of the base
                            plan it was created from.
                        variant_details:
                          type: object
                          properties:
                            base_plan_id:
                              type: string
                              description: >-
                                The ID of the base plan this variant was derived
                                from.
                            customize:
                              type: object
                              properties:
                                price:
                                  anyOf:
                                    - type: object
                                      properties:
                                        amount:
                                          type: number
                                          description: Base price amount for the plan.
                                        interval:
                                          enum:
                                            - one_off
                                            - week
                                            - month
                                            - quarter
                                            - semi_annual
                                            - year
                                          type: string
                                          description: Billing interval (e.g. 'month', 'year').
                                        interval_count:
                                          type: number
                                          description: >-
                                            Number of intervals per billing cycle.
                                            Defaults to 1.
                                        additional_currencies:
                                          type: array
                                          items:
                                            type: object
                                            properties:
                                              currency:
                                                type: string
                                                description: >-
                                                  Three-letter Stripe-supported currency
                                                  code (e.g. 'eur', 'gbp').
                                              amount:
                                                type: number
                                                description: >-
                                                  Price amount in this currency. Set
                                                  explicitly per currency, not converted
                                                  from the base amount.
                                            required:
                                              - currency
                                              - amount
                                          description: >-
                                            Base price amounts in additional
                                            currencies. The base 'amount' is in the
                                            org's default currency.
                                      required:
                                        - amount
                                        - interval
                                      title: BasePrice
                                      description: Base price configuration for a plan.
                                    - type: 'null'
                                  description: >-
                                    Override the base price of the plan. Pass
                                    null to remove the base price.
                                add_items:
                                  type: array
                                  items:
                                    type: object
                                    properties:
                                      feature_id:
                                        type: string
                                        description: The ID of the feature to configure.
                                      included:
                                        type: number
                                        description: >-
                                          Number of free units included. Balance
                                          resets to this each interval for
                                          consumable features.
                                      unlimited:
                                        type: boolean
                                        description: >-
                                          If true, customer has unlimited access
                                          to this feature.
                                      reset:
                                        type: object
                                        properties:
                                          interval:
                                            enum:
                                              - one_off
                                              - minute
                                              - hour
                                              - day
                                              - week
                                              - month
                                              - quarter
                                              - semi_annual
                                              - year
                                            type: string
                                            description: >-
                                              Interval at which balance resets (e.g.
                                              'month', 'year'). For consumable
                                              features only.
                                          interval_count:
                                            type: number
                                            description: >-
                                              Number of intervals between resets.
                                              Defaults to 1.
                                        required:
                                          - interval
                                        description: >-
                                          Reset configuration for consumable
                                          features. Omit for non-consumable
                                          features like seats.
                                      price:
                                        type: object
                                        properties:
                                          amount:
                                            type: number
                                            description: >-
                                              Price per billing_units after included
                                              usage. Either 'amount' or 'tiers' is
                                              required.
                                          additional_currencies:
                                            type: array
                                            items:
                                              type: object
                                              properties:
                                                currency:
                                                  type: string
                                                  description: >-
                                                    Three-letter Stripe-supported currency
                                                    code (e.g. 'eur', 'gbp').
                                                amount:
                                                  type: number
                                                  description: >-
                                                    Price amount in this currency. Set
                                                    explicitly per currency, not converted
                                                    from the base amount.
                                              required:
                                                - currency
                                                - amount
                                            description: >-
                                              Amounts in additional currencies for
                                              this flat price. The base 'amount' is in
                                              the org's default currency. Only valid
                                              with 'amount', not 'tiers'.
                                          tiers:
                                            type: array
                                            items:
                                              type: object
                                              properties:
                                                to:
                                                  anyOf:
                                                    - {}
                                                    - {}
                                                amount:
                                                  type: number
                                                flat_amount:
                                                  type: number
                                                additional_currencies:
                                                  type: array
                                                  items:
                                                    anyOf:
                                                      - {}
                                                      - type: 'null'
                                              required:
                                                - amount
                                            description: >-
                                              Tiered pricing.  Either 'amount' or
                                              'tiers' is required.
                                          tier_behavior:
                                            enum:
                                              - graduated
                                              - volume
                                            type: string
                                          interval:
                                            enum:
                                              - one_off
                                              - week
                                              - month
                                              - quarter
                                              - semi_annual
                                              - year
                                            type: string
                                            description: >-
                                              Billing interval. For consumable
                                              features, should match reset.interval.
                                          interval_count:
                                            type: number
                                            default: 1
                                            description: >-
                                              Number of intervals per billing cycle.
                                              Defaults to 1.
                                          billing_units:
                                            type: number
                                            default: 1
                                            description: >-
                                              Units per price increment. Usage is
                                              rounded UP when billed (e.g.
                                              billing_units=100 means 101 rounds to
                                              200).
                                          billing_method:
                                            enum:
                                              - prepaid
                                              - usage_based
                                            type: string
                                            description: >-
                                              'prepaid' for upfront payment (seats),
                                              'usage_based' for pay-as-you-go.
                                          max_purchase:
                                            anyOf:
                                              - type: number
                                              - type: 'null'
                                            description: >-
                                              Max units purchasable beyond included.
                                              E.g. included=100, max_purchase=300
                                              allows 400 total. Null for no limit.
                                        required:
                                          - interval
                                          - billing_method
                                        description: >-
                                          Pricing for usage beyond included units.
                                          Omit for free features.
                                      proration:
                                        type: object
                                        properties:
                                          on_increase:
                                            enum:
                                              - bill_immediately
                                              - prorate_immediately
                                              - prorate_next_cycle
                                              - bill_next_cycle
                                            type: string
                                            description: >-
                                              Billing behavior when quantity increases
                                              mid-cycle.
                                          on_decrease:
                                            enum:
                                              - prorate
                                              - prorate_immediately
                                              - prorate_next_cycle
                                              - none
                                              - no_prorations
                                            type: string
                                            description: >-
                                              Credit behavior when quantity decreases
                                              mid-cycle.
                                        required:
                                          - on_increase
                                          - on_decrease
                                        description: >-
                                          Proration settings for prepaid features.
                                          Controls mid-cycle quantity change
                                          billing.
                                      rollover:
                                        type: object
                                        properties:
                                          max:
                                            type: number
                                            description: >-
                                              Max rollover units. Omit for unlimited
                                              rollover.
                                          max_percentage:
                                            type: number
                                            description: >-
                                              Maximum rollover as a percentage (0-100)
                                              of included + prepaid grant. Mutually
                                              exclusive with max.
                                          expiry_duration_type:
                                            enum:
                                              - month
                                              - forever
                                            type: string
                                            description: When rolled over units expire.
                                          expiry_duration_length:
                                            type: number
                                            description: Number of periods before expiry.
                                        required:
                                          - expiry_duration_type
                                        description: >-
                                          Rollover config for unused units. If
                                          set, unused included units carry over.
                                    required:
                                      - feature_id
                                    title: PlanItem
                                    description: >-
                                      Configuration for a feature item in a
                                      plan, including usage limits, pricing, and
                                      rollover settings.
                                  description: Items to add to the plan.
                                remove_items:
                                  type: array
                                  items:
                                    type: object
                                    properties:
                                      feature_id:
                                        type: string
                                        description: Match items linked to this feature.
                                      billing_method:
                                        enum:
                                          - prepaid
                                          - usage_based
                                        type: string
                                        description: >-
                                          Match items with this billing method
                                          (prepaid or usage_based).
                                      interval:
                                        anyOf:
                                          - enum:
                                              - one_off
                                              - week
                                              - month
                                              - quarter
                                              - semi_annual
                                              - year
                                            type: string
                                          - enum:
                                              - one_off
                                              - minute
                                              - hour
                                              - day
                                              - week
                                              - month
                                              - quarter
                                              - semi_annual
                                              - year
                                            type: string
                                        description: >-
                                          Match items with this interval. Accepts
                                          either a BillingInterval (price-side) or
                                          a ResetInterval (reset-side, includes
                                          day/hour/minute) so price-less items
                                          keyed by reset.interval can be
                                          disambiguated.
                                      interval_count:
                                        type: integer
                                        minimum: -9007199254740991
                                        maximum: 9007199254740991
                                        exclusiveMinimum: 0
                                        description: >-
                                          Match items with this interval_count.
                                          Disambiguates between items that share
                                          an interval but differ in count.
                                    title: PlanItemFilter
                                    description: >-
                                      Filter for matching plan items. All
                                      provided fields must match (AND).
                                  description: >-
                                    Filters selecting items to remove from the
                                    plan.
                                free_trial:
                                  anyOf:
                                    - type: object
                                      properties:
                                        duration_length:
                                          type: number
                                          description: >-
                                            Number of duration_type periods the
                                            trial lasts.
                                        duration_type:
                                          enum:
                                            - day
                                            - month
                                            - year
                                          type: string
                                          default: month
                                          description: >-
                                            Unit of time for the trial ('day',
                                            'month', 'year').
                                        card_required:
                                          type: boolean
                                          default: true
                                          description: >-
                                            If true, payment method required to
                                            start trial. Customer is charged after
                                            trial ends.
                                        on_end:
                                          enum:
                                            - bill
                                            - revert
                                          type: string
                                          description: >-
                                            Behavior when the trial ends. 'bill'
                                            charges the customer (default). 'revert'
                                            expires the trial and restores the
                                            customer's previous plan.
                                      required:
                                        - duration_length
                                      title: FreeTrialParams
                                      description: Free trial configuration for a plan.
                                    - type: 'null'
                                  description: >-
                                    Override the plan's default free trial. Pass
                                    an object to set a custom trial, or null to
                                    remove the trial entirely.
                                billing_controls:
                                  type: object
                                  properties:
                                    auto_topups:
                                      type: array
                                      items:
                                        type: object
                                        properties:
                                          feature_id:
                                            type: string
                                            description: >-
                                              The ID of the feature (credit balance)
                                              to auto top-up.
                                          enabled:
                                            type: boolean
                                            default: false
                                            description: Whether auto top-up is enabled.
                                          threshold:
                                            type: number
                                            description: >-
                                              When the balance drops below this
                                              threshold, an auto top-up will be
                                              purchased.
                                          quantity:
                                            type: number
                                            minimum: 1
                                            description: >-
                                              Amount of credits to add per auto
                                              top-up.
                                          purchase_limit:
                                            type: object
                                            properties:
                                              interval:
                                                enum:
                                                  - hour
                                                  - day
                                                  - week
                                                  - month
                                                type: string
                                                description: >-
                                                  The time interval for the purchase limit
                                                  window.
                                              interval_count:
                                                type: number
                                                minimum: 1
                                                default: 1
                                                description: >-
                                                  Number of intervals in the purchase
                                                  limit window.
                                              limit:
                                                type: number
                                                minimum: 1
                                                description: >-
                                                  Maximum number of auto top-ups allowed
                                                  within the interval.
                                              count:
                                                type: number
                                                minimum: 0
                                                description: >-
                                                  Set the current window's consumed auto
                                                  top-up count. Omit to leave runtime
                                                  state unchanged.
                                            required:
                                              - interval
                                              - limit
                                            description: >-
                                              Optional rate limit to cap how often
                                              auto top-ups occur. Pass count to set
                                              the current window's consumed top-ups.
                                          invoice_mode:
                                            type: boolean
                                            description: >-
                                              When true, auto top-up creates a
                                              send_invoice invoice instead of
                                              auto-charging.
                                        required:
                                          - feature_id
                                          - threshold
                                          - quantity
                                      description: >-
                                        List of auto top-up configurations per
                                        feature.
                                    spend_limits:
                                      type: array
                                      items:
                                        type: object
                                        properties:
                                          feature_id:
                                            type: string
                                            description: >-
                                              Optional feature ID this spend limit
                                              applies to.
                                          enabled:
                                            type: boolean
                                            default: false
                                            description: >-
                                              Whether the overage spend limit is
                                              enabled.
                                          limit_type:
                                            enum:
                                              - absolute
                                              - usage_percentage
                                            type: string
                                            description: >-
                                              How overage_limit is interpreted: an
                                              absolute overage cap (default) or a
                                              percentage of the main-plan allowance.
                                          overage_limit:
                                            type: number
                                            minimum: 0
                                            description: >-
                                              Overage cap for the feature: absolute
                                              units, or a percent (e.g. 120) when
                                              limit_type is usage_percentage.
                                          skip_overage_billing:
                                            type: boolean
                                            description: >-
                                              When true, overage for this feature is
                                              not posted to Stripe. Usage tracking and
                                              balance resets still behave normally.
                                      description: >-
                                        List of overage spend limits per feature
                                        (caps overage spend).
                                    usage_limits:
                                      type: array
                                      items:
                                        type: object
                                        properties:
                                          feature_id:
                                            type: string
                                            description: The feature this usage limit applies to.
                                          enabled:
                                            type: boolean
                                            default: true
                                            description: Whether this usage limit is enabled.
                                          limit:
                                            type: number
                                            minimum: 0
                                            description: Maximum units allowed per interval.
                                          interval:
                                            enum:
                                              - day
                                              - week
                                              - month
                                              - year
                                            type: string
                                            description: >-
                                              Interval for the cap, aligned to the
                                              customer's billing cycle.
                                          filter:
                                            type: object
                                            properties:
                                              properties:
                                                type: object
                                                propertyNames:
                                                  type: string
                                                  minLength: 1
                                                  maxLength: 64
                                                additionalProperties: {}
                                            required:
                                              - properties
                                            description: >-
                                              When set, only usage from events whose
                                              properties match counts toward this cap.
                                              Omit to count all usage of the feature.
                                        required:
                                          - feature_id
                                          - limit
                                          - interval
                                      description: >-
                                        List of hard usage caps per feature (max
                                        units per interval).
                                    usage_alerts:
                                      type: array
                                      items:
                                        type: object
                                        properties:
                                          feature_id:
                                            type: string
                                            description: The feature ID this alert applies to.
                                          enabled:
                                            type: boolean
                                            default: true
                                            description: Whether this usage alert is enabled.
                                          threshold:
                                            type: number
                                            minimum: 0
                                            description: >-
                                              The threshold value that triggers the
                                              alert. For usage or remaining, this is
                                              an absolute count. For usage_percentage
                                              or remaining_percentage, this is a
                                              percentage (0-100).
                                          threshold_type:
                                            enum:
                                              - usage
                                              - usage_percentage
                                              - remaining
                                              - remaining_percentage
                                            type: string
                                            description: >-
                                              Whether the threshold is an absolute
                                              count or a percentage of the usage
                                              allowance or remaining balance.
                                          name:
                                            type: string
                                            description: >-
                                              Optional user-defined label to
                                              distinguish multiple alerts on the same
                                              feature.
                                        required:
                                          - threshold
                                          - threshold_type
                                      description: >-
                                        List of usage alert configurations per
                                        feature.
                                    overage_allowed:
                                      type: array
                                      items:
                                        type: object
                                        properties:
                                          feature_id:
                                            type: string
                                            description: >-
                                              The feature ID this overage allowed
                                              control applies to.
                                          enabled:
                                            type: boolean
                                            default: false
                                            description: >-
                                              Whether overage is allowed for this
                                              feature.
                                        required:
                                          - feature_id
                                      description: >-
                                        List of overage allowed controls per
                                        feature. When enabled, usage can exceed
                                        balance.
                                  description: >-
                                    Override the plan's billing controls (auto
                                    top-ups, spend limits, usage limits, usage
                                    alerts, overage allowed) for this customer.
                              additionalProperties: false
                              description: >-
                                The customization that transforms the base plan
                                into this variant.
                          required:
                            - base_plan_id
                          description: >-
                            Details about how this variant relates to its latest
                            base plan.
                        config:
                          type: object
                          properties:
                            ignore_past_due:
                              type: boolean
                              default: false
                              description: >-
                                If true, entitlements attached to this plan will
                                still reset on schedule even when the customer's
                                product is in a past_due state.
                          description: Miscellaneous plan-level configuration flags.
                        billing_controls:
                          type: object
                          properties:
                            auto_topups:
                              type: array
                              items:
                                type: object
                                properties:
                                  feature_id:
                                    type: string
                                    description: >-
                                      The ID of the feature (credit balance) to
                                      auto top-up.
                                  enabled:
                                    type: boolean
                                    default: false
                                    description: Whether auto top-up is enabled.
                                  threshold:
                                    type: number
                                    description: >-
                                      When the balance drops below this
                                      threshold, an auto top-up will be
                                      purchased.
                                  quantity:
                                    type: number
                                    minimum: 1
                                    description: Amount of credits to add per auto top-up.
                                  purchase_limit:
                                    type: object
                                    properties:
                                      interval:
                                        enum:
                                          - hour
                                          - day
                                          - week
                                          - month
                                        type: string
                                        description: >-
                                          The time interval for the purchase limit
                                          window.
                                      interval_count:
                                        type: number
                                        minimum: 1
                                        default: 1
                                        description: >-
                                          Number of intervals in the purchase
                                          limit window.
                                      limit:
                                        type: number
                                        minimum: 1
                                        description: >-
                                          Maximum number of auto top-ups allowed
                                          within the interval.
                                    required:
                                      - interval
                                      - limit
                                    description: >-
                                      Optional rate limit to cap how often auto
                                      top-ups occur.
                                  invoice_mode:
                                    type: boolean
                                    description: >-
                                      When true, auto top-up creates a
                                      send_invoice invoice instead of
                                      auto-charging.
                                required:
                                  - feature_id
                                  - threshold
                                  - quantity
                              description: List of auto top-up configurations per feature.
                            spend_limits:
                              type: array
                              items:
                                type: object
                                properties:
                                  feature_id:
                                    type: string
                                    description: >-
                                      Optional feature ID this spend limit
                                      applies to.
                                  enabled:
                                    type: boolean
                                    default: false
                                    description: >-
                                      Whether the overage spend limit is
                                      enabled.
                                  limit_type:
                                    enum:
                                      - absolute
                                      - usage_percentage
                                    type: string
                                    description: >-
                                      How overage_limit is interpreted: an
                                      absolute overage cap (default) or a
                                      percentage of the main-plan allowance.
                                  overage_limit:
                                    type: number
                                    minimum: 0
                                    description: >-
                                      Overage cap for the feature: absolute
                                      units, or a percent (e.g. 120) when
                                      limit_type is usage_percentage.
                                  skip_overage_billing:
                                    type: boolean
                                    description: >-
                                      When true, overage for this feature is not
                                      posted to Stripe. Usage tracking and
                                      balance resets still behave normally.
                              description: >-
                                List of overage spend limits per feature (caps
                                overage spend).
                            usage_limits:
                              type: array
                              items:
                                type: object
                                properties:
                                  feature_id:
                                    type: string
                                    description: The feature this usage limit applies to.
                                  enabled:
                                    type: boolean
                                    default: true
                                    description: Whether this usage limit is enabled.
                                  limit:
                                    type: number
                                    minimum: 0
                                    description: Maximum units allowed per interval.
                                  interval:
                                    enum:
                                      - day
                                      - week
                                      - month
                                      - year
                                    type: string
                                    description: >-
                                      Interval for the cap, aligned to the
                                      customer's billing cycle.
                                  filter:
                                    type: object
                                    properties:
                                      properties:
                                        type: object
                                        propertyNames:
                                          type: string
                                          minLength: 1
                                          maxLength: 64
                                        additionalProperties: {}
                                    required:
                                      - properties
                                    description: >-
                                      When set, only usage from events whose
                                      properties match counts toward this cap.
                                      Omit to count all usage of the feature.
                                required:
                                  - feature_id
                                  - limit
                                  - interval
                              description: >-
                                List of hard usage caps per feature (max units
                                per interval).
                            usage_alerts:
                              type: array
                              items:
                                type: object
                                properties:
                                  feature_id:
                                    type: string
                                    description: The feature ID this alert applies to.
                                  enabled:
                                    type: boolean
                                    default: true
                                    description: Whether this usage alert is enabled.
                                  threshold:
                                    type: number
                                    minimum: 0
                                    description: >-
                                      The threshold value that triggers the
                                      alert. For usage or remaining, this is an
                                      absolute count. For usage_percentage or
                                      remaining_percentage, this is a percentage
                                      (0-100).
                                  threshold_type:
                                    enum:
                                      - usage
                                      - usage_percentage
                                      - remaining
                                      - remaining_percentage
                                    type: string
                                    description: >-
                                      Whether the threshold is an absolute count
                                      or a percentage of the usage allowance or
                                      remaining balance.
                                  name:
                                    type: string
                                    description: >-
                                      Optional user-defined label to distinguish
                                      multiple alerts on the same feature.
                                required:
                                  - threshold
                                  - threshold_type
                              description: List of usage alert configurations per feature.
                            overage_allowed:
                              type: array
                              items:
                                type: object
                                properties:
                                  feature_id:
                                    type: string
                                    description: >-
                                      The feature ID this overage allowed
                                      control applies to.
                                  enabled:
                                    type: boolean
                                    default: false
                                    description: >-
                                      Whether overage is allowed for this
                                      feature.
                                required:
                                  - feature_id
                              description: >-
                                List of overage allowed controls per feature.
                                When enabled, usage can exceed balance.
                          description: >-
                            Plan-level billing controls used as customer
                            defaults.
                        metadata:
                          type: object
                          propertyNames:
                            type: string
                          additionalProperties: {}
                          description: >-
                            Arbitrary key-value metadata defined by you for your
                            own use. Shared across all versions of the plan.
                        customer_eligibility:
                          type: object
                          properties:
                            trial_available:
                              type: boolean
                              description: >-
                                Whether the trial on this plan is available to
                                this customer. For example, if the customer used
                                the trial in the past, this will be false.
                            status:
                              enum:
                                - active
                                - scheduled
                              type: string
                              description: >-
                                The customer's current status with this plan.
                                'active' if attached, 'scheduled' if pending
                                activation.
                            canceling:
                              type: boolean
                              description: >-
                                Whether the customer's active instance of this
                                plan is set to cancel.
                            trialing:
                              type: boolean
                              description: >-
                                Whether the customer is currently on a free
                                trial of this plan.
                            attach_action:
                              enum:
                                - activate
                                - upgrade
                                - downgrade
                                - none
                                - purchase
                              type: string
                              description: >-
                                The action that would occur if this plan were
                                attached to the customer.
                          required:
                            - attach_action
                      required:
                        - id
                        - name
                        - description
                        - group
                        - version
                        - add_on
                        - auto_enable
                        - price
                        - items
                        - created_at
                        - env
                        - archived
                        - base_variant_id
                        - config
                        - metadata
                      description: >-
                        A plan defines a set of features, pricing, and
                        entitlements that can be attached to customers.
                required:
                  - list
                examples:
                  - list:
                      - id: pro
                        name: Pro Plan
                        description: null
                        group: null
                        version: 1
                        addOn: false
                        autoEnable: false
                        price:
                          amount: 10
                          interval: month
                          display:
                            primaryText: $10
                            secondaryText: per month
                        items:
                          - featureId: messages
                            included: 100
                            unlimited: false
                            reset:
                              interval: month
                            price:
                              amount: 0.5
                              interval: month
                              billingUnits: 100
                              billingMethod: usage_based
                              maxPurchase: null
                            display:
                              primaryText: 100 messages
                              secondaryText: then $0.5 per 100 messages
                          - featureId: users
                            included: 0
                            unlimited: false
                            reset: null
                            price:
                              amount: 10
                              interval: month
                              billingUnits: 1
                              billingMethod: prepaid
                              maxPurchase: null
                            display:
                              primaryText: $10 per Users
                        createdAt: 1771513979217
                        env: sandbox
                        archived: false
                        baseVariantId: null
                        config:
                          ignore_past_due: false
                        billing_controls: {}
                        metadata: {}
              example:
                list:
                  - id: pro
                    name: Pro Plan
                    description: null
                    group: null
                    version: 1
                    addOn: false
                    autoEnable: false
                    price:
                      amount: 10
                      interval: month
                      display:
                        primaryText: $10
                        secondaryText: per month
                    items:
                      - featureId: messages
                        included: 100
                        unlimited: false
                        reset:
                          interval: month
                        price:
                          amount: 0.5
                          interval: month
                          billingUnits: 100
                          billingMethod: usage_based
                          maxPurchase: null
                        display:
                          primaryText: 100 messages
                          secondaryText: then $0.5 per 100 messages
                      - featureId: users
                        included: 0
                        unlimited: false
                        reset: null
                        price:
                          amount: 10
                          interval: month
                          billingUnits: 1
                          billingMethod: prepaid
                          maxPurchase: null
                        display:
                          primaryText: $10 per Users
                    createdAt: 1771513979217
                    env: sandbox
                    archived: false
                    baseVariantId: null
                    config:
                      ignore_past_due: false
                    billing_controls: {}
                    metadata: {}
      x-codeSamples:
        - lang: typescript
          label: Typescript (SDK)
          source: |-
            import { Autumn } from 'autumn-js'

            const autumn = new Autumn()

            const result = await autumn.plans.list({});
        - lang: python
          label: Python (SDK)
          source: |-
            from autumn_sdk import Autumn

            autumn = Autumn(secret_key="am_sk_test...")

            res = autumn.plans.list(
                request={},
            )
components:
  securitySchemes:
    secretKey:
      type: http
      scheme: bearer
      bearerFormat: JWT

````