Udemy – Learn API Testing Concepts with Interview Question & Answers

This course is designed for Testers and QA Engineers who want to understand API testing without complex coding.

What You’ll Learn:

• API & REST Fundamentals – Understand what APIs are and how REST works with real-world examples.
• HTTP Methods & Status Codes – Master GET, POST, PUT, PATCH, DELETE and interpret 2xx, 4xx, 5xx responses.
• Idempotency Concepts – Learn why PUT is idempotent but PATCH isn’t – a favorite interview question!
• Authentication Methods – Explore Basic Auth, API Keys, OAuth, and JWT with practical demos.
• Testing Strategies – Build comprehensive test cases covering positive, negative, and boundary scenarios.

Hands-On Practice:

• 32+ video lessons with Postman / Hoppscotch demos
• Automation concepts overview with demos
• Assignments to practice with hands-on exercises inside the course
• Real-world API testing strategies

No Coding Required!

Every concept is explained with interview-ready answers you can use immediately. By course end, you’ll confidently discuss APIs in any technical interview and perform API testing using industry-standard tools.

Perfect for testers transitioning from UI to API testing!

Why This Course:

• Interview-focused: Every topic includes how to answer in interviews
• Beginner-friendly: Start from scratch, no prior API knowledge needed
• Practical approach: Learn by doing, not just watching
• Practice APIs and sample framework included within the course materials