Master API Testing 2026

API Testing From Scratch: Complete Starter Bundle

If you are starting API testing in 2026 and want one resource that gives you everything, this is it.

What's inside:

Postman Collection (.json): Import in one click.

10 pre-built requests covering GET, POST, PATCH, DELETE, including negative tests like missing token (401), duplicate email (422), and idempotency testing. Assertions are already written. Just add your GoRest token and run.

Cheat Sheet (PDF) :

One page. HTTP methods, status codes, GoRest endpoints, Postman test snippets, and 5 things every good API tester does. Keep it open while you practice.

Practice Exercise Sheet (PDF) :

10 hands-on tasks with expected assertions and hints. Covers every CRUD operation plus failure scenarios. Built to help you think like a tester, not just click Send.

Reference Guide (PDF):

5 pages covering everything: API definition, HTTP methods, status codes, GoRest setup, Postman setup, full CRUD walkthrough, testing best practices, and what to learn next.

Who is this for: QA engineers, developers, and career switchers who want practical API testing skills, not theory.

What you need: Postman (free) and gorest.in (free, no account needed).