Whenever we use a website or an application, we usually focus on what we can see on the screen. We click buttons, fill out forms, and expect everything to work smoothly. But have you ever wondered what happens behind the scenes when you create an account, update information, or save a task?

That's something I've been exploring during my web development internship at Valentius Kryptix.

As part of my internship, I received a task related to REST API development. I saw it as a good opportunity to understand how the backend works and how applications communicate with servers to manage data.

🔍 Understanding REST APIs

A REST API allows different applications to communicate with each other using HTTP requests.

Let's take a simple example. Imagine you're using a task management application.…