HTTP Status Code Lookup
11 toolsSearch HTTP status codes and their meaning.
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A complete kit of everyday developer utilities — generators, parsers, and quick references — all running client-side, with nothing to install.
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200
OK
The request succeeded.
201
Created
The request succeeded and a new resource was created.
204
No Content
The request succeeded but there is no content to return.
301
Moved Permanently
The resource has been permanently moved to a new URL.
302
Found
The resource is temporarily at a different URL.
304
Not Modified
The cached version of the resource is still valid.
400
Bad Request
The server could not understand the request due to invalid syntax.
401
Unauthorized
Authentication is required and has failed or not been provided.
403
Forbidden
The server understood the request but refuses to authorize it.
404
Not Found
The requested resource could not be found.
405
Method Not Allowed
The request method is not supported for this resource.
409
Conflict
The request conflicts with the current state of the resource.
410
Gone
The resource is no longer available and will not be available again.
422
Unprocessable Entity
The request was well-formed but contains semantic errors.
429
Too Many Requests
The user has sent too many requests in a given time.
500
Internal Server Error
The server encountered an unexpected condition.
501
Not Implemented
The server does not support the functionality required.
502
Bad Gateway
The server received an invalid response from an upstream server.
503
Service Unavailable
The server is not ready to handle the request.
504
Gateway Timeout
The upstream server failed to respond in time.
How to use this lookup
- 1Type a status code (e.g. "404") or a keyword (e.g. "not found").
- 2The list filters live.
- 3Clear the search box to see the full reference list again.
Frequently asked questions
What's the difference between 401 and 403?
401 means you haven't authenticated; 403 means you're authenticated but not authorized.
Does this cover every HTTP status code?
It covers the ~20 most common codes, not the full IANA registry.
Is my search sent anywhere?
No — filtering happens entirely in your browser.