webhook_signature_failed

HTTP 400 · type webhook_signature_error

Signature verification failed.

When it fires

Returned by SDK helpers when a delivered webhook's Chronapilot-Signature header doesn't match the computed HMAC.

Recovery

Verify you're using the raw request body bytes (not re-serialized JSON), and you're using the right endpoint secret (rotate didn't invalidate it).

Example response

{
  "error": {
    "type": "webhook_signature_error",
    "code": "webhook_signature_failed",
    "message": "Signature verification failed.",
    "doc_url": "https://docs.chronapilot.com/errors/webhook-signature-failed",
    "request_id": "req_1A2b3C4d5E6f"
  }
}