Eric Vogel covers how to use the new Web API 2 routing attributes to create a Web service in Part 1 of this series.

Right-click on the Controllers solution folder and click Add –> Controller to create a new Web API controller. Select the “Web API 2 Controller – Empty” when prompted for in the window ...

Using HttpResponseException in ASP.NET Web API You can use the HttpResponseException class to return specific HTTP status codes and messages from your controller methods in Web API. Here is an ...