In this 404 Talk, Rahul Parwal demonstrates three tools he uses regularly for automation: NUnit for unit testing, RestSharp ...

Using WebDriver with C# The C# WebDriver gives you .NET bindings for the API calls, letting you build and run your own test scripts without having to stand up an instance of the Selenium server.

Previously, conducting large-scale API testing has been hampered by silos between development and testing teams and the requirement for deep technical skills when working with APIs.