ASP.NET Web API 2.1 is currently the latest release from Microsoft. It offers a variety of new features, including the new BSON format. It can be utilized like other formats, but offers a lightweight ...

As an alternative to these existing API discovery options, APIs.json is focused on indexing the existing, and the rapidly emerging APIs whether they are hypermedia, RESTful, or even SOAP web services.

Web API doesn’t allow you to pass multiple complex objects in the method signature of a Web API controller method — you can post only a single value to a Web API action method.