API Testing with Postman (Environment, Collection, Debugging & ExpressJS APIs)
In this tutorial, I guide you step-by-step through API testing using Postman, specifically for a Digital ID Card system. If you're working on full-stack web projects using ExpressJS, this video will help you understand how to test and debug your APIs like a pro.
🔍 What you’ll learn:
How to create a Postman environment (base_url, tokens, etc.)
How to organize and use collections effectively
Common Postman errors and how to fix them
How to find and test APIs in an existing ExpressJS project
Best practices for API naming, testing, and versioning
📁 Perfect for students and developers working on real-world digital ID card systems or other full-stack projects.
🛠 Tools used:
Postman
Express.js
Node.js
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🔗 Useful Link:
🧠 Full Source Code: https://github.com/emsiemhong/digital...
#Postman #ExpressJS #DigitalIDCard #APITesting #FullStackDevelopment #NodeJS
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