Mastering REST API Testing: Automation with Rest Assured and Postman

If you’ve ever wondered how web and mobile apps exchange data behind the scenes, you're already halfway to understanding the power of REST APIs. They’re the invisible gears that keep modern software running smoothly. But how do developers and testers ensure these APIs are working as expected? Enter REST API testing—an essential skill for any aspiring or experienced tester. And if you're serious about becoming an expert in this space, mastering tools like Rest Assured and Postman is your best first step. Whether you're new to automation or already working in QA, this guide will help you understand why REST API testing is so crucial, and how you can automate it efficiently. We’ll also show you how to start your journey with the right learning resource. What is REST API Testing? Let’s break it down: REST (Representational State Transfer) is a widely used architectural style for designing networked applications. APIs following this model—known as RESTful APIs—use standard HTTP...