Some common HTTP methods and status codes

Some common HTTP methods

Method	Description	Safe	Idempotent
GET	Requests a specific representation of a resource	Yes	Yes
PUT	Create or update a resource with the supplied representation	No	Yes
DELETE	Deletes the specified resource	No	Yes
POST	Submits data to be processed by the identified resource	No	No
HEAD	Similar to GET but only retrieves headers and not the body	Yes	Yes
OPTIONS	Returns the methods supported by the identified resource	Yes	Yes

Some common HTTP status codes

Status Range	Description	Examples
100	Informational	100 Continue
200	Successful	200 OK
201	Created
202	Accepted
300	Redirection	301 Moved Permanently
304	Not Modified
400	Client error	401 Unauthorized
402	Payment Required
404	Not Found
405	Method Not Allowed
500	Server error	500 Internal Server Error
501	Not Implemented