It is a self hosted web api with console app Install package owinInstall-Package Microsoft.AspNet.WebApi.OwinSelfHost Testing -To run the end to end connection use Postman can download and run form herehttps://app.getpostman.com/app/download/win64?_ga=2.185551465.1162773415.1526646762-437455725.1478181633 After downloaing postman run the console app and then enter the url for GET - http://localhost:9001/api/ProductCheckOutPOST - http://localhost:9001/api/ProductCheckOut with parameters unit test Added a project inside solution can run teh differnt conmination to chekc the test success