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Follow these steps to connect the Autumn partner API and webhooks to Vercel Marketplace.
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Step 1: Gather integration credentials and IDs

In your Vercel Integration Console, open your integration entry.
  • Copy the Client Integration ID.
  • Copy the Client Integration Secret.
In Stripe:
  • Open Settings > Custom payment methods.
  • Create a custom payment method named Vercel Marketplace.
  • Upload the Vercel logo.
  • Copy the resulting Custom Payment Method ID.
In the Autumn Dashboard:
  • Open Developer > Vercel Webhook.
  • Add a new endpoint.
  • Set the endpoint URL to your production API endpoint plus /autumn/webhooks/vercel.
  • Confirm the router path is current before saving.
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Step 2: Configure values in Autumn

In the Autumn Dashboard, open Developer > Vercel and set:
  • Client Integration ID
  • Client Integration Secret
  • Custom Payment Method ID
Also save the Base URL shown in this section.
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Step 3: Configure values in Vercel

In the Vercel Integration Console, paste the Autumn Base URL into:
  • Partner API Base URL
  • Webhooks URL
This ensures Vercel can call Autumn when onboarding users and when key lifecycle events occur.
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Step 4: Validate the webhook

Confirm webhook delivery in both systems:
  • Trigger a test event flow in Vercel.
  • Verify Vercel receives callback requests for key create/delete events.
  • Verify Autumn logs/receives the payload and updates API keys as expected.
If events are not delivered, confirm the exact webhook route in your deployment (for example .../autumn/webhooks/vercel) and update both sides if it has changed.