To do this, create a blank ASP.Net project in Visual Studio 2015 and check the Web API checkbox when selecting the project template. Next, save the project with a name.

We’ll use this ASP.NET Core 7 Web API project to use OpenAPI to document minimal API endpoints in the sections below. What is the OpenAPI specification?

Eric Vogel covers how to use the new Web API 2 routing attributes to create a Web service in Part 1 of this series.