API Automated Testing with Postman and JavaScript

Testing web services manually can become repetitive and time-consuming as software applications grow. Automated API testing allows quality assurance teams and developers to quickly verify backend logic, reduce errors, and ensure system reliability. This beginner-friendly text-based course introduces you to the core principles of web APIs and shows you how to automate request verification using Postman, JavaScript, and Chai.js assertions. You will learn to inspect server responses, manage dynamic variables, and build reusable test collections. What you'll learn: - Understand foundational API concepts, HTTP methods, status codes, and JSON data formats. - Navigate Postman to structure request collections, environments, and variables. - Write automated test scripts using foundational JavaScript syntax and Chai.js syntax. - Validate response status codes, payload structures, headers, and performance metrics. - Practice request chaining by extracting dynamic data from responses for subsequent calls. - Explore modern collection execution techniques for comprehensive test coverage. Your learning journey begins with essential terminology, network concepts, and HTTP fundamentals before moving into writing practical assertion scripts. Through clear explanations and practical written code snippets, you will master the principles of API test automation at your own pace. This course is crafted for beginners, aspiring QA engineers, and software testers with no prior automation or coding experience required. Start reading today to build a strong foundation in automated API testing.