Understanding RESTful

In this section, we will go through the components HTTP and CRUD (Create, Retrieve, Update and Delete), which form the basic building block of RESTful. These components together make possible the communication between different applications over the internet in a distributed environment via a well-defined API.

Understanding HTTP

Every time you are navigating on the internet, you are using the HTTP. Even when you are booking a ride on Uber, you are using HTTP. In fact, HTTP is present in almost all the applications that you use on a daily basis.

HTTP is based on the principle of client-server communication. It means that every time you want to access an information or resources, you have to send a request object and the server will send you all the requested information into a response object. The following diagram explains this communication:

So, in order to really understand how to design a robust HTTP RESTful API we need to know how URLs works and learn about the HTTP...