In this book, I explain everything you need to know about connecting to backend Rest APIs from your Angular application. In this book, I will show you how to invoke different methods like GET, POST, and the like, how to use interceptors to inject an authentication token into every outgoing request, and much more. We will cover all areas of calling Rest APIs with Angular. By the end of this book, you will be able to call Rest APIs from your Angular application in any scenario. Let us get started.