HTTP Status Code Lookup

Look up HTTP status codes quickly.

Check status code meaning while debugging APIs, gateways, redirects, cache responses, and client errors.

No sign-in Form fallback Copy/download

Status code notes

429 Too Many Requests
Category: Client error
Note: Commonly used for rate limiting when too many requests arrive in a time window.

Common debugging checks:
- Confirm whether the response is generated by the app, proxy, CDN, or gateway.
- Check headers and body shape together with the status code.
- Keep retry behavior conservative for client and server error classes.

Category: Client error
Code: 429