HTTP Status Code Lookup

Server received request headers; client should proceed to send the body.

Server is switching protocols as requested (e.g., to WebSocket).

Request succeeded. Standard response for successful HTTP requests.

Request fulfilled and a new resource was created.

Request accepted for processing but not completed yet.

Server processed the request but returns no content.

Server is delivering only part of the resource (range request).

Resource has permanently moved to a new URL.

Resource temporarily moved to a different URL.

Resource not modified since last request (use cached version).

Request should be repeated at another URL but method preserved.

Resource permanently at another URL; method preserved.

Server cannot process the request due to malformed syntax.

Authentication is required and has failed or not been provided.

Server understood the request but refuses to authorize it.

The requested resource could not be found on the server.

HTTP method is not allowed for the requested resource.

Server timed out waiting for the request.

Request conflicts with current state of the resource.

Resource is no longer available and will not be available again.

Request entity is larger than server is willing to process.

Media format of request data is not supported by the server.

Request is well-formed but semantically erroneous.

User has sent too many requests (rate limiting).

Generic server error when no more specific message is suitable.

Server does not support the functionality required.

Server received an invalid response from an upstream server.

Server is temporarily unavailable (overloaded or maintenance).

Server did not receive a timely response from upstream server.