1xx - Informational

• 100 - Continue

• 101 - Switching Protocols

2xx - Success

• 200 - OK

• 201 - Created

• 202 - Accepted

• 203 - Non-Authoritative Information

• 204 - No Content

• 205 - Reset Content

• 206 - Partial Content

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

4xx - Client Errors

• 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 - Content Too Large

• 414 - URI Too Long

• 415 - Unsupported Media Type

• 416 - Range Not Satisfiable

• 417 - Expectation Failed

• 418  - (Unused)

• 421 - Misdirected Request

• 422 - Unprocessable Content

• 426 - Upgrade Required

5xx - Server Errors

• 500 - Internal Server Error

• 501 - Not Implemented

• 502 - Bad Gateway

• 503 - Service Unavailable

• 504 - Gateway Timeout

• 505 - HTTP Version Not Supported

Bibliography