http statuses

status code description
200 request completed (OK)
201 object created, reason = new URI
202 async completion (TBS)
203 partial completion
204 no info to return
205 request completed, but clear form
206 partial GET furfilled
300 server couldn't decide what to return
301 object permanently moved
302 object temporarily moved
303 redirection w/ new access method
304 if-modified-since was not modified
305 redirection to proxy, location header specifies proxy to use
307 HTTP/1.1: keep same verb
400 invalid syntax
401 access denied
402 payment required
403 request forbidden
404 object not found
405 method is not allowed
406 no response acceptable to client found
407 proxy authentication required
408 server timed out waiting for request
409 user should resubmit with more info
410 the resource is no longer available
411 the server refused to accept request w/o a length
412 precondition given in request failed
413 request entity was too large
414 request URI too long
415 unsupported media type
500 internal server error
501 required not supported
502 error response received from gateway
503 temporarily overloaded
504 timed out waiting for gateway
505 HTTP version not supported