Webhooks
render.completed
An API render (sync or async) finished successfully. Delivered to every enabled endpoint, or to the webhookIds named on the render. Signed with the Standard Webhooks scheme (webhook-id, webhook-timestamp, webhook-signature: v1,<base64 HMAC-SHA256> over "{id}.{timestamp}.{body}", keyed by the endpoint secret). Respond with any 2xx within 5 seconds; otherwise the delivery is retried up to 10 times with capped exponential backoff.
postWebhookrender.completed
Headers
webhook-idstring required
The event id (evt_...). Unique per delivery; use it for idempotency.
webhook-timestampstring required
Unix seconds.
webhook-signaturestring required
v1,<base64 HMAC-SHA256> per the Standard Webhooks spec.
Payload
Response
Acknowledged.
Changes
Webhooks have no change history: a webhook is keyed by its event name rather than a path and method, so no recorded change can name it.