How To Use Postman for API Testing (Step by Step for Beginners) | GET & POST Requests

Pubblicato il: 13 febbraio 2026
sul canale di: MFA Creatives

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Hi Everyone 👋
Welcome back to my channel!

In this video, you will learn how to use Postman for API testing step by step.

If you are a beginner and want to:

✅ How to install Postman
✅ How to send GET request
✅ How to send POST request
✅ How to send JSON data
✅ How to test backend APIs without frontend
✅ How to check API response & status codes
✅ How to confirm data is stored in MongoDB Atlas
✅ Understand status codes (200, 404, 500)

Postman is one of the most important tools for Node.js, Express, and MongoDB developers. After watching this tutorial, you will be able to test any REST API easily.

🔥 What You Will Learn in This Video

📌 What is Postman and why developers use it
📌 How to download & install Postman in Windows
📌 Postman interface explained
📌 How to test GET API request
📌 How to test POST API request with JSON data
📌 How to check status codes (200, 404, 500)
📌 How to verify inserted data in MongoDB Atlas

💡 If you are learning Node.js, Express, MongoDB, then Postman is a must tool for you.

📌 Watch my previous MongoDB connection video (Link in Description + i Button): • How to Test MongoDB Connection in Node.js ...

✅ If this video helped you, make sure to LIKE 👍 SHARE 🔥 and SUBSCRIBE ❤️

00:00 Intro (What you will learn)
00:25 What is Postman?
01:10 Download & Install Postman
02:00 Postman Interface Explained
02:40 Create New Request in Postman
03:10 Start Backend Server (npm run dev)
03:40 Test GET Request in Postman
04:30 Status Codes Explained (200, 404, 500)
05:10 Test POST Request with JSON Data
06:10 Check Data in MongoDB Atlas
06:50 Fetch Data Using GET API
07:30 Summary & Outro

#postman #postmantutorial #apitesting #nodejs #expressjs #mongodb #mongodbAtlas #backenddevelopment #restapi #getrequest #postrequest #jsondata #webdevelopment #beginners #stepbystepmaths

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