API Testing with Postman & Newman: Beyond Clicks and Collections
API Testing with Postman & Newman: Beyond Clicks and Collections API Testing with Postman & Newman: Beyond Clicks and Collections Part of the “10 Days of QA — From Beginner to Expert” Intro — You’ve clicked “Send” in Postman hundreds of times — but real API testing is more than watching a 200 OK appear. It’s about trusting data integrity, contracts, and behavior under edge cases. Today we go beyond clicks — into automation, validation and continuous confidence. 1️⃣ What is API Testing Really About? API testing is validating the communication between services. Instead of a UI, you test requests and responses directly — faster, more reliable, and perfect for early feedback. Typical objectives: Confirm status codes and headers Validate response data structure and types Check business rules and edge cases Measure response times and error handling Think of API testing as the X-ray of your application — you se...