ASP.Net Web API is a lightweight framework for building RESTful services that can run over HTTP. It has been the framework of choice for building RESTful services in ASP.Net for quite some time now.

If you are using Web API 1.0, you can enable CORS support including the following statements in the Application_BeginRequest event handler of the Global.asax.cs file.

In this article, we discuss how to use a web API from within your Android app, to fetch data for your users. There are two major methods for retrieving data from most web services, XML or JSON.