Your Guide to HTTP Response Status Code

100: (Continue) means that the initial part of the request has been received and has not yet been rejected by the server.

102: (Processing) this status code means that the server has received and is processing the request. But no response is available yet

200 : (OK) the request has succeded.

201 : (Created) means that the request (POST or PUT) has succeeded and a new resource has been created as a result.

202: (Accepted) the request has been accepted for processing, but the processing has not been completed

301: (Moved Permanently) indicates that the URL has been changed permanently & the new one is given in the response

307: (Temporary Redirect) the server-side send this kind of response in order to direct the client to get the requested resource at another URI

400: (Bad Request) the server can't understand the request due to the invalid syntax.

401: (Unauthorized) means that the client is unauthenticated, and should authenticate for getting the requested response

403: (Forbidden) the server refused to give the requested resource because the client is unauthorized to get the content.

404: (Not Found) indicates that the URL is not recognized.

405: (Method Not Allowed) The request method is not supported.

500: (Internal Server Error)given when an unexpected condition was encountered and no more specific message is suitable

501: (Not Implemented) indicates that the request can not be handled because it is not supported by the server

503: (Service Unavailable) indicates that the server is currently not ready to handle the request.

511: (Network Authentication Required) means that the client needs to authenticate to gain network access.