Understanding REST APIs

Most modern web APIs can be classified as REST APIs. REST APIs are simply a type of API that focuses on communicating and synchronizing the state of objects between the database server and frontend client.

For example, imagine that you are updating your details on a website for which you are signed in to your account. When you go to the account details page, the web server tells your browser about the various details attached to your account. When you change the values on that page, the browser sends back the updated details to the web server and tells it to update these details on the database. If the action is successful, the website will show you a confirmation message.

This is a very simple example of what is known as decoupled architecture between frontend and backend systems. Decoupling allows greater flexibility and makes it easier to update or change components in your architecture. So, let’s say you want to create a new frontend website...