HTTP Status Code Reference

Server received request headers, client should proceed to send body.

Server is switching to a different protocol as requested.

Request succeeded. The standard success response.

Request succeeded and a new resource was created.

Request accepted for processing, but not yet completed.

Request succeeded but there is no content to return.

Server is returning partial content (range request).

Resource has been permanently moved to a new URL.

Resource temporarily moved. Client should use the original URL for future requests.

Resource has not changed since last request. Use cached version.

Like 302 but guarantees the HTTP method won't change.

Like 301 but guarantees the HTTP method won't change.

Server cannot process the request due to malformed syntax or invalid parameters.

Request lacks valid authentication credentials.

Server understood the request but refuses to authorize it.

The requested resource could not be found on the server.

The HTTP method is not supported for this resource.

Server timed out waiting for the request.

Request conflicts with the current state of the resource.

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

Request body is larger than the server is willing to process.

The request's media type is not supported by the server.

Request is well-formed but has semantic errors.

Client has sent too many requests in a given time (rate limited).

Generic server error. Something unexpected went wrong.

Server received an invalid response from an upstream server.

Server is temporarily unable to handle the request (overloaded or maintenance).

Server did not receive a timely response from an upstream server.