​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 Redirectg
308	Permanent Redirectg
309-399	Unassigned
400	Bad Requestg
401	Unauthorizedg
402	Payment Requiredg
403	Forbiddeng
404	Not Foundg
405	Method Not Allowedg
406	Not Acceptableg
407	Proxy Authentication Requiredg
408	Request Timeoutg
409	Conflictg
410	Goneg
411	Length Requiredg
412	Precondition Failedg
413	Request Entity Too Largeg
414	Request-URI Too Longg
415	Unsupported Media Typeg
416	Requested Range Not Satisfiableg
417	Expectation Failedg
422	Unprocessable Entityg
423	Lockedg
424	Failed Dependencyg
425	Unassigned
426	Upgrade Requiredg
427	Unassigned
428	Precondition Requiredg
429	Too Many Requestsg
430	Unassigned
431	Request Header Fields Too Largeg
432-499	Unassigned
500	Internal Server Errorg
501	Not Implementedg
502	Bad Gatewayg
503	Service Unavailableg
504	Gateway Timeoutg
505	HTTP Version Not Supportedg
506	Variant Also Negotiates (Experimental)g
507	Insufficient Storageg
508	Loop Detectedg
509	Unassigned
510	Not Extendedg
511	Network Authentication Requiredg
512-599	Unassigned