ASP.NET Identity 2.1 with ASP.NET Web API 2.2 (Accounts Management) – Part 1 ASP.NET Identity 2.1 with ASP.NET Web API 2.2 (Accounts Management) – Part 1 ASP.NET Identity 2.1 is the latest membership and identity management framework provided by Microsoft, this membership system can be plugged to any ASP.NET framework such as Web API, MVC, Web Forms, etc… http://bitoftech.net/2015/01/21/asp-net-identity-2-with-asp-net-web-api-2-accounts-management/