REST API Design Made Simple with Express.js

Every backend developer reaches a point where they hear this sentence:

“Build a REST API.”

And suddenly everyone starts pretending they fully understand:

REST

resources

endpoints

CRUD

status codes

HTTP methods

Meanwhile beginners are sitting there like:

“Brother I just learned app.get() yesterday.”

The good news?

REST APIs are actually based on very simple ideas.

Most of the scary terminology comes from people explaining it in the most robotic way possible.

So in this article, we are going to understand REST APIs properly using:

simple language

real-world examples

Express.js

one resource ( users )

practical route design

By the end, REST APIs will stop looking like mysterious backend rituals.

First Understand: What Is an API?

API stands for:

Application Programming Interface

Sounds complicated.

But the real idea is simple.

An API allows:

two systems to communicate.

Real-Life API Analogy

Imagine a restaurant.

You:

place order to…