HTTP Status Code Lookup

Look up HTTP status codes quickly.

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

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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.

Code: 429
Category: Client error