Postman Beginner to Advanced Complete Guide

Published by SoftwareTestPilot

PDF • 109 pages • Notes • All Levels • Postman

Published 28 September 2026 • Updated 29 September 2026

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Postman Beginner to Advanced Complete Guide — practical Postman notes for software testers, 109 pages.

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Overview

This guide provides 100 practical missions for Postman, covering aspects from initial requests to advanced scripting, Vault secrets, mocks, monitors, and performance testing. It also includes sections on Postman CLI, Git workflows, and production-ready API test architecture. The PDF is designed for QA Engineers, API Testers, and SDETs. It helps users transition from manual requests to building reusable test collections, securing variables, and implementing advanced scripting, monitoring, and CI/CD automation. It follows current Postman v12 documentation.

What you'll learn

Send HTTP, GraphQL, and gRPC requests
Organize Postman work in collections
Run JavaScript scripts and tests
Create API mocks and monitors
Automate workflows with Postman CLI
Implement performance tests

Topics covered

api-testing

What Postman Is in 2026
Desktop App vs Web App
Your First GET Request
Save a Request
Collections
Request Naming Strategy
HTTP Methods in Postman
Request URL Anatomy
Query Parameters
Path Parameters
Request Headers
Request Body Modes
Raw JSON Body
form-data
x-www-form-urlencoded