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.

In the Solution Explorer panel, right-click on the Controller folder, then choose Add from the shortcut menu. When prompted for the type of scaffolding to add, select Web API 2 Controller - Empty from ...

ASP.Net Web API is a lightweight framework that can be used for building RESTful HTTP services. When working with controller methods in Web API, you will often need to pass parameters to those ...