Practical API Testing with Postman and Web Services

Learn to validate RESTful APIs, manage environments, and automate web service testing through written guides and code-based exercises.

4.5 (1,036) ⏱ 31 min 📚 4 lessons 🎧 Audio version

About this course

APIs are the invisible threads connecting modern software, making their reliability essential for any functional application. This course provides a clear path for beginners to understand how web services communicate and how to ensure they work correctly using the industry-standard Postman platform. You will transition from understanding basic web requests to performing structured API validation. By the end of this course, you will be able to confidently interact with RESTful services, verify data integrity, and build automated testing workflows that adapt to different environments. What you'll learn: - Understand core API architecture and the fundamental principles of RESTful web services - Practice executing HTTP methods including GET, POST, PUT, and DELETE to interact with server data - Analyze HTTP status codes and headers to troubleshoot and validate server responses - Apply modern authentication methods like Bearer tokens and API keys for secure testing - Create automated test scripts to validate JSON schemas and specific response data points - Manage dynamic data using environments and variables for scalable testing workflows The course begins with essential terminology and foundational concepts of the client-server model. You will then progress through structured written modules that cover request construction, response analysis, and the implementation of automated logic to streamline your testing process. This course is designed for absolute beginners in software testing, quality assurance, or development. No prior experience with APIs or programming is required to get started. Start reading to build your foundational API testing skills today.

What you'll get

  • 📜 Certificate of completion
    Add it to your LinkedIn profile
  • 🎧 Audio version included
    Learn on the go — no screen needed
  • ♾️ Lifetime access
    Come back anytime, no expiry
  • 📱 Phone or computer
    Works anywhere, any device
  • 💸 30-day refund
    No questions asked
  • Short & focused
    31 min of practical content

Reviews (5)

Ivan Petrov BG Verified learner
★ 4 · 2026-05-19T01:56:53+00:00

Tbh, I expected more practical application. It felt a bit too theoretical for my needs, though the core concepts were explained okay.

Siti Aminah ID
★ 4 · 2026-05-09T07:19:53+00:00

Really enjoyed the flow of this. The practical applications discussed were spot on. Great course!

Anna Müller CH
★ 4 · 2026-02-21T20:19:53+00:00

It was a pretty good course overall. Some parts moved a little fast for me, but the examples were generally helpful. Worth the time investment.

هند بنت سالم البلوشي OM Verified learner
★ 2 · 2025-11-22T09:59:53+00:00

Pretty informative. I liked the practical application examples, though the initial setup took longer than I expected.

Giulia Bianchi IT Verified learner
★ 4 · 2025-04-17T11:48:53+00:00

Pretty good overall. Some sections felt a little rushed, but the core content was solid and the examples were useful. I learned a lot.

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Frequently asked

What do I need to take this course? +

Just a phone or computer with internet. No installs, no special hardware.

How do I pay? +

By card via Stripe, or with cryptocurrency. We do not store card details — Stripe handles them securely.

Can I get a refund? +

Yes — full refund within 30 days, no questions asked.

How long will I have access? +

Forever. Once you purchase, the course is yours to revisit anytime.

Will I get a certificate? +

Yes. On completion you'll receive a certificate you can add to your LinkedIn profile.

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