ASP.NET Web API - HTTP GET, PUT, POST and DELETE verbs

ASP.NET Web API resource these 4 actions correspond to GET, POST, PUT and DELETE as shown in the table below 

CRUD	HTTP Verb
Create	POST
Read	GET
Update	PUT
Delete	DELETE

Request Verbs : These HTTP verbs (GET, POST, PUT & DELETE) describe what should be done with the resource. For example do you want to create, read, update or delete an entity. GET, PUT, POST and DELETE http verbs are the most commonly used one's. For the complete list of the HTTP verbs, please check http://www.w3.org/Protocols/rfc2616/rfc2616-sec9.html

Request Header : When a client sends request to the server, the request contains a header and a body. The request header contains additional information such as what type of response is required. For example, do you want the response to be in XML or JSON.

Request Body : Request Body contains the data to send to the server. For example, a POST request contains the data for the new item that you want to create. The data format may be in XML or JSON.

Response Status codes : These are the HTTP status codes, that give the client details on the status of the request. Some of the common status codes are 200/OK, 404/Not Found, 204/No Content. For the complete list of HTTP status codes and what they mean, please visit http://www.w3.org/Protocols/rfc2616/rfc2616-sec9.html