HTTP Status Code Lookup
Enter an HTTP status code and instantly see its meaning, category, and common causes.
Enter a 3-digit HTTP response status code.
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Common causes
Popular HTTP status codes
What is an HTTP status code?
HTTP status codes are standard server responses that tell the client whether a request succeeded, failed, or needs more action.
This tool helps you quickly understand common response codes like 200, 404, 403, 422, and 500.
How to use the HTTP Status Code Lookup
- Enter a 3-digit HTTP status code.
- The tool shows its title, category, and explanation.
- You can also click one of the popular examples below.
Tips
- 2xx means success.
- 3xx means redirection.
- 4xx means client-side error.
- 5xx means server-side error.
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HTTP Status Code Lookup FAQ
What does 404 mean?
404 Not Found means the requested resource could not be found on the server.
What is the difference between 401 and 403?
401 usually means authentication is missing or failed, while 403 means the request is understood but access is forbidden.
Is my input sent to the server?
No. The lookup runs locally in your browser.