API Testing and Consumption with Postman

Modern software development relies heavily on web services, making the ability to interact with and verify APIs an essential skill for developers and QA professionals alike. This course provides a clear, step-by-step path to understanding how APIs communicate and how to use Postman to interact with them effectively. You will transition from manual testing confusion to confidently constructing, sending, and validating API requests. What you'll learn: Understand core REST API concepts, HTTP methods, status codes, and headers; Configure and send GET, POST, PUT, and DELETE requests within the Postman interface; Work with JSON payloads to transmit structured data to web services; Implement environment variables to manage different testing setups dynamically; Write basic test scripts to automatically validate API responses and status codes; Explore modern API practices including handling authentication tokens and mock servers. The course begins with foundational API terminology and HTTP concepts before guiding you through hands-on request building, variable management, and automated test assertions. Designed specifically for beginners, this text-based guide requires no prior programming or API testing experience. Start mastering API communication and streamline your development workflow today.