HTTP methods, request, and response codes

The following table shows the common HTTP methods and their purposes:

Method name	Purpose
DELETE	This is used to delete a resource
GET	This is used to request a specific representation of a resource
HEAD	This is same as GET, but it retrieves only the headers and not the body
OPTIONS	This is used to retrieve the methods supported by the resource
POST	This is used to post or submit data to be processed by the resource
PUT	This is used to create or update data using a particular representation of a resource

The following table shows the HTTP status codes and their purposes:

Status code	Description
100	Informational
200	Successful
201	Created
202	Accepted
300	Redirection
304	Not modified
400	Client error
402	Payment required
404	Not found
405	Method not allowed
500	Server error
501	Not implemented

The following table shows the HTTP redirection status codes:

Status code	Description
300	Multiple choices...