HTTP Status Code Reference

Search common HTTP response status codes and their practical meanings.

200OK — request succeeded.
201Created — resource was created.
301Moved Permanently — use the new URL.
400Bad Request — input was invalid.
401Unauthorized — authentication is required.
403Forbidden — the server understood but refuses.
404Not Found — the resource does not exist.
429Too Many Requests — rate limit exceeded.
500Internal Server Error — server-side failure.
503Service Unavailable — server is not ready.

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