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Inbound provider webhooks

These routes receive callbacks from external providers. They are not called by your integration.

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Stripe

Stripe webhook routes process platform and connected-account payment events: 
POST /webhooks/stripe/platform
POST /webhooks/stripe/connect
These endpoints verify Stripe signatures, record webhook events, update checkout state, and trigger entitlement changes.

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Mailgun

Mailgun events update email delivery status: 
POST /webhooks/mailgun/events

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AssemblyAI

AssemblyAI transcription callbacks update media transcription state: 
POST /api/v1/media/webhooks/assemblyai

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Outbound webhook nodes (automations)

The automations engine ships a webhook node that POSTs a signed JSON payload to an endpoint you register. This is the current outbound webhook surface for customer integrations. Webhook endpoints are hub-scoped and managed via: 
POST   /api/v1/teams/{team_id}/hubs/{hub_id}/webhook-endpoints       create endpoint
GET    /api/v1/teams/{team_id}/hubs/{hub_id}/webhook-endpoints        list endpoints
DELETE /api/v1/teams/{team_id}/hubs/{hub_id}/webhook-endpoints/{id}   delete endpoint
Each endpoint has a signing secret (generated server-side if not supplied, encrypted at rest, never returned). Targets are validated against an SSRF guard — private, loopback, link-local, and cloud-metadata addresses are rejected. Delivery is asynchronous with exponential-backoff retries. When the webhook node fires inside an automation it POSTs a payload containing the automation context and enrollment metadata to your registered URL. Use the signing secret to verify the X-Mio-Signature header on your receiver. See the Automations guide for the full node reference and lifecycle.

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Team-level outbound webhooks (Zapier-style)

General-purpose team-level outbound webhooks (trigger on any platform event, configurable outside of automations) are a planned feature tracked separately. For today’s integrations, use the automation webhook node described above, API polling, or the checkout inspection endpoints.