How I add Headers to http.
But that does not matter for this tutorial. You should have the following view. HTTP methods such as GET, PUT, PATCH, POST and DELETE, that you usually need to use when communicating with a REST API server. Using Interceptors, we can simplify our application code to handle this automatically. But thanks to HTTPClient it converts the data from JSON to an observable form for us. This article was technically reviewed by Ravi Kiran.