A practical boundary for authenticating webhook events before your application parses or acts on them.
Developer guide for webhook signature verification. Validate the behavior in your own stack before production rollout.Capture the raw request bytes and the signature header. Compute the expected HMAC with your server-side secret.
Compare fixed-length values in constant time, reject stale timestamps and return 401 before parsing untrusted data.
Persist the event only after verification, then acknowledge and queue downstream work.
Test malformed headers, stale timestamps, body mutations and secret rotation.
Reliable messaging is an operational system, not only an API call.
Gain AccessStart with the documentation or review the practical answers below.
No. ChatRail uses a WhatsApp Linked Devices session. Review the transport trade-offs before production use.
Yes. Sending, delivery tracking and webhooks work without enabling AI.
Use the Quickstart for your first request, then choose a workflow tutorial.
