​http://www.iana.org/assignments/http-status-codes/http-status-codes.xml

Hypertext Transfer Protocol (HTTP) Status Code Registry

Last Updated
2012-11-30
This registry is also available in plain text.

Registry included below
HTTP Status Codes

HTTP Status Codes

Registration Procedure(s)
IETF Consensus

Reference
[RFC2817]

Note
1xx: Informational - Request received, continuing process
2xx: Success - The action was successfully received, understood, and accepted
3xx: Redirection - Further action must be taken in order to complete the request
4xx: Client Error - The request contains bad syntax or cannot be fulfilled
5xx: Server Error - The server failed to fulfill an apparently valid request

Value 	Description
100	Continue
101	Switching Protocols
102	Processing
103-199	Unassigned
200	OK
201	Created
202	Accepted
203	Non-Authoritative Information
204	No Content
205	Reset Content
206	Partial Content
207	Multi-Status
208	Already Reported
209-225	Unassigned
226	IM Used
227-299	Unassigned
300	Multiple Choices
301	Moved Permanently
302	Found
303	See Other
304	Not Modified
305	Use Proxy
306	Reserved
307	Temporary Redirect
308	Permanent Redirect
309-399	Unassigned
400	Bad Request
401	Unauthorized
402	Payment Required
403	Forbidden
404	Not Found
405	Method Not Allowed
406	Not Acceptable
407	Proxy Authentication Required
408	Request Timeout
409	Conflict
410	Gone
411	Length Required
412	Precondition Failed
413	Request Entity Too Large
414	Request-URI Too Long
415	Unsupported Media Type
416	Requested Range Not Satisfiable
417	Expectation Failed
422	Unprocessable Entity
423	Locked
424	Failed Dependency
425	Unassigned
426	Upgrade Required
427	Unassigned
428	Precondition Required
429	Too Many Requests
430	Unassigned
431	Request Header Fields Too Large
432-499	Unassigned
500	Internal Server Error
501	Not Implemented
502	Bad Gateway
503	Service Unavailable
504	Gateway Timeout
505	HTTP Version Not Supported
506	Variant Also Negotiates (Experimental)
507	Insufficient Storage
508	Loop Detected
509	Unassigned
510	Not Extended
511	Network Authentication Required
512-599	Unassigned