Due to the popular of Smart Phone application recently, Single Page Application (SPA) model has been the trend for Web application development and is taking place of the traditional MVC model. Web API is the key factor of the shift from SPA model to MVC model. For that reason, test automation is expected to shift left to get feedback as soon as possible, and Web API testing has become more and more important. The talk will discuss: What is Web API? How SOAP is different from REST APIs API test and its checkpoints How Frisby makes testing REST API endpoints easy, fast, and fun in the world of Node.js