2 results
2026-04-27 Webhook Events API receipt.created order.created
Webhook overview

Which webhook events are actually sent, what the request and signature headers look like, how duplicates, order and lost events behave, and when to use the API.

2026-04-27 Webhook Signature verification HMAC X-RR-Signature Security
Signature verification and security

How X-RR-Signature is computed, verification code for Node.js, Python and C#, guarding against replays, and how to replace a webhook secret.