Developer Utilities

HTTP Status Code Lookup

A searchable reference for every status code you'll actually encounter, without paging through a spec.

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Code	Name	Meaning
200	OK	The request succeeded.
201	Created	The request succeeded and a new resource was created.
204	No Content	Succeeded, with no response body.
301	Moved Permanently	The resource has permanently moved to a new URL.
302	Found	The resource temporarily resides at a different URL.
304	Not Modified	The cached version is still valid.
400	Bad Request	The server couldn't 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 authorise it.
404	Not Found	The requested resource couldn't be found.
405	Method Not Allowed	The request method isn't supported for this resource.
409	Conflict	The request conflicts with the current state of the resource.
410	Gone	The resource is permanently gone, with no forwarding address.
422	Unprocessable Entity	The request was well-formed but semantically invalid.
429	Too Many Requests	The client has sent too many requests in a given time.
500	Internal Server Error	A generic server-side error occurred.
502	Bad Gateway	An upstream server returned an invalid response.
503	Service Unavailable	The server is temporarily unable to handle the request.
504	Gateway Timeout	An upstream server failed to respond in time.

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