title: How to add Web API to an existing ASP.NET MVC (5) Web Application project?
body: <p>Assuming you forgot to tick the Web API checkbox (add it to the project) when making a new MVC (5) project, what do you need to do add Web API and get it working?</p>
  
  <p><em>There are a bunch of migration questions, but none seemed to have the complete and up-to-date steps for adding Web API to an MVC 5 project and it seems to have changed from some of the old answers.</em></p>
  
  <p><a href="https://stackoverflow.com/questions/11990036/how-to-add-web-api-to-an-existing-asp-net-mvc-4-web-application-project">Add Web API to MVC 4</a></p>
  
  <p><a href="https://stackoverflow.com/questions/20226715/globalconfiguration-configure-not-present-after-web-api-2-and-net-4-5-1-migra">Adding GlobalConfiguration.Configure(WebApiConfig.Register) MVC 4</a></p>