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
207: Multi-Status
3xx Redirection
300: Multiple Choices
301: Moved Permanently
302: Moved Temporarily (HTTP/1.0)
302: Found (HTTP/1.1)
303: See Other (HTTP/1.1)
304: Not Modified
305: Use Proxy
306: (no longer used, but reserved)
307: Temporary Redirect
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
5xx Server Error
500: Internal Server Error
501: Not Implemented
502: Bad Gateway
503: Service Unavailable
504: Gateway Timeout
505: HTTP Version Not Supported
