Testing Your Express API Locally: Postman vs curl for Beginners

📰 Medium · JavaScript

Learn to test your Express API locally using Postman or curl to ensure it works as expected before shipping

beginner Published 19 May 2026
Action Steps
  1. Install Postman on your machine to test API endpoints
  2. Use curl commands in your terminal to test API routes
  3. Configure Postman to send HTTP requests to your local Express server
  4. Test your Express routes using both Postman and curl to compare results
  5. Apply testing to your development workflow to catch errors before deployment
Who Needs to Know This

Junior developers and backend engineers can benefit from this lesson to improve their testing workflow and collaboration with frontend teams

Key Insight

💡 Testing your API locally before shipping is crucial to catch errors and ensure it works as expected

Share This
🚀 Test your Express API locally with Postman or curl to avoid shipping errors!

Key Takeaways

Learn to test your Express API locally using Postman or curl to ensure it works as expected before shipping

Full Article

The number one mistake I see junior developers make is shipping an Express route without ever testing it outside the browser. Continue reading on Medium »
Read full article → ← Back to Reads

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