Microsoft.AspNet.WebApi.Core 4.0.30506.0 Microsoft Microsoft http://www.microsoft.com/web/webpi/eula/mvc_4_eula_enu.htm http://www.asp.net/web-api true This package contains the core runtime assemblies for ASP.NET Web API. This package is used by hosts of the ASP.NET Web API runtime. To host a Web API in IIS use the Microsoft.AspNet.WebApi.WebHost package. To host a Web API in your own process use the Microsoft.AspNet.WebApi.SelfHost package. en-US Microsoft AspNet WebApi AspNetWebApi