API Testing Complete Guide — Postman, Newman & AI

What's inside this guide:

• API Testing fundamentals — what to actually test and how
• Postman deep dive — test scripts, chaining requests, data-driven testing
• Newman CLI — run collections in CI/CD (GitHub Actions & Jenkins)
• AI in Postman — how to use Postbot to generate and fix tests faster
• Interview Q&A for experienced QA engineers

Practical, no fluff. Built for QA engineers with real experience.