Getting started with

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This section provides an overview of what is, and why a developer might want to use it.

It should also mention any large subjects within, and link out to the related topics. Since the Documentation for is new, you may need to create initial versions of those related topics.

Installation or Setup

Detailed instructions on getting set up or installed.

To add Web API to an existing MVC application.

Use Nuget to find the Web Api Package.

You can do that either by using the Manage Nuget Packages and searching for the Web Api package or use Nuget Package Manager and type

PM> Install-Package Microsoft.AspNet.WebApi

Add WebApiConfig.cs to the App_Start/ folder The config file should contain this.

using System.Web.Http;
namespace WebApplication1
public class WebApiApplication : System.Web.HttpApplication
    protected void Application_Start()
        GlobalConfiguration.Configure(config =>

                name: "DefaultApi",
                routeTemplate: "api/{controller}/{id}",
                defaults: new { id = RouteParameter.Optional }

Source : Configuring ASP.NET Web API

Add GlobalConfiguration.Configure(WebApiConfig.Register); in Application_Start of the Global.asax file.

What and Why ASP.NET Web API ?

What? : A fully supported and extensible framework for building HTTP based endpoints. In the world of HTML5, mobile devices, and modern development techniques HTTP have become the default option for building rich, scalable services. The ASP.NET Web API provides an easy to use set of default options but also provides a deep extensibility infrastructure to meet the demands of any scenario using HTTP.

Why? :

  • An HTML5 application that needs a services layer.
  • A mobile application that needs a services layer.
  • A client-server desktop application that needs a services layer.

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