Node.js RESTful API for Beginners | Express.js | Backend Series Day 16✅💻❤️

Welcome to Day 16 of the TechFocuss Node.js Backend Series! 🚀

In the previous video, we understood REST & RESTful APIs in a very simple way.
In today’s video, we convert that theory into real, practical backend code by building our first RESTful API using Node.js and Express.js.

✅ What You’ll Learn in This Video

How to set up Express.js in a Node.js project

Why RESTful APIs send data (JSON) instead of rendering pages

How to create dummy data for an API

How to build your first API endpoint

Why we use res.json() instead of res.send()

RESTful API best practices:

Use proper HTTP methods (GET)

Use nouns in routes (/users)

Always respond in JSON format

How to start an Express server using app.listen()

🧠 Important RESTful API Rules Recap

Routes should be nouns, not verbs

Use correct HTTP methods

APIs communicate using standard JSON format

🎯 Final Result

By the end of this video, you’ll have:

A running Express server

A working /users API endpoint

Your first real RESTful API 🎉

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Advanced RESTful APIs

Middleware

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Real-world backend projects 💛

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