HTTP Status Codes Cheat Sheet
A quick cheatsheet for HTTP status codes (from RFC 2616 and Wikipedia’s List of HTTP status codes).
Informational 1xx Successful 2xx Redirection 3xx Client Error 4xx Server Error 5xx 100 Continue 101 Switching Protocols -------------------------------------------- 102 Processing (WebDAV) (RFC 2518) 103 Checkpoint 122 Request-URI too long (Microsoft/IE7) -------------------------------------------- 200 OK 201 Created (+ etag) 202 Accepted 203 Non-Authoritative Information 204 No Content (no body) 205 Reset Content (reset view) 206 Partial Content (+ range header) -------------------------------------------- 207 Multi-Status (WebDAV) (RFC 4918) 226 IM Used (RFC 3229) -------------------------------------------- 300 Multiple Choices 301 Moved Permanently 302 Found 303 See Other (since HTTP/1.1) 304 Not Modified 305 Use Proxy (since HTTP/1.1) 306 Switch Proxy (no longer used) 307 Temporary Redirect (since HTTP/1.1) 308 Resume Incomplete -------------------------------------------- 400 Bad Request 401 Unauthorized 402 Payment Required (future) 403 Forbidden 404 Not Found 405 Method Not Allowed 406 Not Acceptable 407 Proxy Authentication Required 408 Request Timeout 409 Conflict (with the resource) 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 -------------------------------------------- 418 I am a teapot (RFC 2324) 420 Enhance Your Calm (Twitter API) 422 Unprocessable Entity (WebDAV) (RFC 4918) 423 Locked (WebDAV) (RFC 4918) 424 Failed Dependency (WebDAV) (RFC 4918) 425 Unordered Collection (RFC 3648) 426 Upgrade Required (RFC 2817) 428 Precondition Required (RFC 2616 pending) 429 Too Many Requests (RFC 2616 pending) 431 Request Header Fields Too Large 444 No Response (Nginx) 449 Retry With (Microsoft) 450 Blocked by Windows Parental Controls (Microsoft) 499 Client Closed Request (Nginx) -------------------------------------------- 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 (RFC 2295) 507 Insufficient Storage (WebDAV)(RFC 4918) 509 Bandwidth Limit Exceeded (Apache) 510 Not Extended (RFC 2774) 511 Network Authentication Required (RFC 2616 pending) 598 Network read timeout error (Informal convention) 599 Network connect timeout error (Informal convention)