This page is created from HTTP status code information found at ietf.org and Wikipedia.

1xx Informational

• 100 Continue
• 101 Switching Protocols
• 102 Processing (WebDAV)

2xx Success

• 200 OK
• 201 Created
• 202 Accepted
• 203 Non-Authoritative Information
• 204 No Content
• 205 Reset Content
• 206 Partial Content
• 207 Multi-Status (WebDAV)
• 208 Already Reported (WebDAV)
• 226 IM Used

3xx Redirection

• 300 Multiple Choices
• 301 Moved Permanently
• 302 Found
• 303 See Other
• 304 Not Modified
• 305 Use Proxy
• 306 (Unused)
• 307 Temporary Redirect
• 308 Permanent Redirect (experiemental)

4xx Client Error

• 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
• 418 I'm a teapot (RFC 2324)
• 420 Enhance Your Calm (Twitter)
• 422 Unprocessable Entity (WebDAV)
• 423 Locked (WebDAV)
• 424 Failed Dependency (WebDAV)
• 425 Reserved for WebDAV
• 426 Upgrade Required
• 428 Precondition Required
• 429 Too Many Requests
• 431 Request Header Fields Too Large
• 444 No Response (Nginx)
• 449 Retry With (Microsoft)
• 450 Blocked by Windows Parental Controls (Microsoft)
• 451 Unavailable For Legal Reasons
• 499 Client Closed Request (Nginx)

5xx Server Error

• 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 (WebDAV)
• 508 Loop Detected (WebDAV)
• 509 Bandwidth Limit Exceeded (Apache)
• 510 Not Extended
• 511 Network Authentication Required
• 598 Network read timeout error
• 599 Network connect timeout error