HTTP Status Codes Reference

1xx Informational

Code	Message	Description
100	Continue	The server has received the request headers and the client should proceed to send the request body
101	Switching Protocols	The requester has asked the server to switch protocols
103	Early Hints	Used to return some response headers before final HTTP message

2xx Success

Code	Message	Description
200	OK	The request succeeded
201	Created	The request succeeded and a new resource was created
202	Accepted	The request has been received but not yet acted upon
203	Non-Authoritative Information	The returned metadata is not exactly the same as is available from the origin server
204	No Content	There is no content to send for this request
205	Reset Content	Tells the user agent to reset the document which sent this request
206	Partial Content	This response code is used when the Range header is sent from the client to request only part of a resource

3xx Redirection

Code	Message	Description
300	Multiple Choices	The request has more than one possible response
301	Moved Permanently	The URL of the requested resource has been changed permanently
302	Found	The URI of the requested resource has been changed temporarily
303	See Other	The server sent this response to direct the client to get the requested resource at another URI
304	Not Modified	Used for caching purposes. It tells the client that the response has not been modified
307	Temporary Redirect	The server sends this response to direct the client to get the requested resource at another URI
308	Permanent Redirect	The resource is now permanently located at another URI

4xx Client Errors

Code	Message	Description
400	Bad Request	The server cannot process the request due to client error
401	Unauthorized	Authentication is required and has failed or has not been provided
402	Payment Required	Reserved for future use
403	Forbidden	The client does not have access rights to the content
404	Not Found	The server cannot find the requested resource
405	Method Not Allowed	The request method is known by the server but is not supported
406	Not Acceptable	The server cannot produce a response matching the list of acceptable values
407	Proxy Authentication Required	Authentication is required by a proxy
408	Request Timeout	The server would like to shut down this unused connection
409	Conflict	The request conflicts with the current state of the server
410	Gone	The requested content has been permanently deleted from server
411	Length Required	Server rejected the request because the Content-Length header field is not defined
412	Precondition Failed	The client has indicated preconditions that the server does not meet
413	Payload Too Large	Request entity is larger than limits defined by server
414	URI Too Long	The URI requested by the client is longer than the server is willing to interpret
415	Unsupported Media Type	The media format of the requested data is not supported by the server
416	Range Not Satisfiable	The range specified by the Range header field cannot be fulfilled
417	Expectation Failed	The expectation indicated by the Expect request header field cannot be met
418	I'm a teapot	The server refuses to brew coffee because it is a teapot (April Fools' joke)
422	Unprocessable Entity	The request was well-formed but unable to be followed due to semantic errors
429	Too Many Requests	The user has sent too many requests in a given amount of time

5xx Server Errors

Code	Message	Description
500	Internal Server Error	The server has encountered a situation it does not know how to handle
501	Not Implemented	The request method is not supported by the server
502	Bad Gateway	The server got an invalid response while working as a gateway
503	Service Unavailable	The server is not ready to handle the request
504	Gateway Timeout	The server is acting as a gateway and cannot get a response in time
505	HTTP Version Not Supported	The HTTP version used in the request is not supported by the server
511	Network Authentication Required	The client needs to authenticate to gain network access