Troubleshooting•stable•Updated 2026-07-06
Webhook failures
Diagnose and fix webhook failures.
Use this page when the symptom matches what you see in Kadryn or in your integration logs.
Symptoms
- Webhook endpoint shows failed, retrying or quarantined deliveries.
Most common causes
- Endpoint returns non-2xx.
- Signature verification fails.
- Timeouts.
- Endpoint unavailable.
Fix
- Open delivery details.
- Verify endpoint URL is HTTPS.
- Validate signatures using raw body.
- Replay safely after fixing.
Verify the fix
- Re-run the smallest safe test.
- Open Logs & Traces and search by request ID, trace ID or resource ID.
- Confirm the relevant dashboard card updates after refresh.
- Confirm no retry loop or duplicate delivery was created.
When to escalate
Escalate when the issue affects production traffic, billing-sensitive reporting, audit evidence, or any workflow where a customer-facing AI feature is blocked.