4 results
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.

2026-04-27 Webhook Retry Idempotency Ordering X-RR-Delivery
Designing resends, ordering, and idempotency

What counts as success, the retry rules (1 min, 10 min, 1 h, four attempts), ordering and lost events, and dropping duplicates by X-RR-Delivery.

2026-04-27 Webhook Monitoring Delivery log Incident response
Monitoring and handling failures

Read a webhook's active flag, last delivery time and delivery log, notice when it has switched itself off, recover, and fill the gap from the API.

2026-04-27 Webhook Registration Endpoint Event subscription Test send
How to register a Webhook

Register a webhook in the developer portal or through the API, choose events that are actually sent, run a test send, and change, pause or delete a webhook.