Request succeeded. The result meaning depends on the HTTP method used.

Request succeeded and a new resource was created as a result.

Request accepted for processing but not completed yet.

Request succeeded but there is no content to send back.

Server delivering only part of the resource (e.g., for range requests).

Request has more than one possible response. User must choose one.

Resource has permanently moved to a new location. Old links should use the new URL.

Resource has temporarily moved to a different location.

Resource has not been modified. Client can use cached version.

Resource has temporarily moved. Method should be preserved.

Resource has permanently moved. Method should be preserved.

Server cannot process the request due to client error (e.g., malformed syntax).

Authentication is required and has failed or has not been provided.

Client does not have access rights to the resource.

Server cannot find the requested resource.

The HTTP method is not supported for this resource.

Server timed out waiting for the request from the client.

Request conflicts with the current state of the server.

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

Server does not meet one of the preconditions specified in the request.

Request entity is larger than limits defined by server.

URI provided is too long for the server to process.

Media format of the requested data is not supported.

Client has sent too many requests in a given amount of time.

Server encountered an unexpected condition that prevented it from fulfilling the request.

Server does not support the functionality required to fulfill the request.

Invalid response received from an upstream server.

Server is currently unable to handle the request (maintenance, overload, etc.).

Upstream server failed to respond in time.

HTTP version used in the request is not supported by the server.