Query the log
Response
Status values
Diagnosing failed deliveries
If you see deliveries withstatus: failed, check:
- Your endpoint returns
2xx— any other status code (including200 OKwith an error body) counts as a failure - The endpoint is reachable from the internet — Nippy cannot reach
localhostor private IPs - The signature is verified correctly — if you reject the signature with
401, Nippy counts it as a failure and retries
Responding
200 before processing the event is a best practice. It avoids timeouts if your processing takes longer than expected and prevents unnecessary retries.Using traceId for support
Each delivery has a uniquetraceId. If you need the Nippy team to investigate a specific delivery, include the traceId in your report:

