API Testing with Postman: From Requests to Test Automation

API testing is a fundamental skill for software developers and QA engineers working with modern web applications. Understanding how to interact with REST APIs programmatically accelerates software testing, debugging, and integration. This comprehensive text course guides you from fundamental API concepts to automated testing workflows in Postman. What you will learn: Understand core HTTP concepts, request methods, status codes, and headers. Configure request parameters, payloads, and common authentication mechanisms. Manage dynamic data using global, collection, and environment variables. Write pre-request scripts to process data dynamically before execution. Create automated assertions to validate JSON response payloads and performance. Explore modern workflows like mock servers and environment configurations. The course starts with essential terminology and fundamental concepts before progressing to hands-on testing scripts and collection runs. Designed specifically for beginners and aspiring QA professionals, no prior experience with Postman is required. Begin reading today to build confident, automated API testing skills.