Microsoft.AspNet.WebApi

This package contains everything you need to host ASP.NET Web API on IIS. ASP.NET Web API is a framework that makes it easy to build HTTP services that reach a broad range of clients, including browsers and mobile devices. ASP.NET Web API is an ideal platform for building RESTful applications on the .NET Framework.

Microsoft.AspNet.WebApi is a tool in the NuGet Packages category of a tech stack.