


APIs are the backbone of modern applications, and testing them is crucial for software quality. This course teaches you API Testing using Postman, the most popular tool for manual and automated API validation. You will learn how to design, execute, and automate API tests with real-world projects. Ideal for manual testers, beginners, and developers looking to build strong API testing skills.
📍 Module 1: Introduction to API & Postman
What is an API?
REST vs SOAP APIs
Importance of API Testing
Installing Postman
Overview of Postman UI
📍 Module 2: HTTP Basics
HTTP Protocol & Methods (GET, POST, PUT, DELETE, PATCH)
Status Codes (1xx, 2xx, 3xx, 4xx, 5xx)
Request Headers, Body & Parameters
RESTful Services Architecture
📍 Module 3: Working with Postman
Creating Workspaces & Collections
Creating Requests (GET, POST, PUT, DELETE)
Adding Headers, Parameters & Authorization
Sending JSON Payloads in Requests
Validating Responses in Postman
📍 Module 4: Environment & Variables
Creating Environments in Postman
Global, Environment & Local Variables
Using Variables in Requests
Parameterization of Requests
📍 Module 5: Assertions & Scripting
Introduction to Postman Tests (JavaScript-based)
Writing Assertions for Response Codes, Headers & Body
Validating JSON & XML Responses
Using pm.expect() and Chai Assertion Library
Pre-request Scripts in Postman
📍 Module 6: Collections & Automation
Organizing Requests into Collections
Running Multiple Requests with Collection Runner
Data-Driven Testing with CSV & JSON Files
Setting Iterations in Collection Runner
📍 Module 7: Authentication in APIs
Basic Auth
API Key Authentication
Bearer Tokens & JWT
OAuth 2.0 Authentication
Testing Secured APIs
📍 Module 8: Chaining API Requests
Passing Data Between Requests
Extracting Values from Responses (JSONPath)
Building End-to-End API Workflows
📍 Module 9: Advanced Features of Postman
Monitoring APIs with Postman Monitors
Writing Reusable Snippets & Scripts
Using Postman Console for Debugging
Generating Reports in Postman
📍 Module 10: Newman – CLI for Postman
Installing Newman (Node.js required)
Running Collections from Command Line
Exporting Reports with Newman
Integrating Newman with Jenkins / CI/CD
📍 Module 11: Real-Time Project (Capstone)
Testing E-commerce REST APIs (Login, Product Search, Cart, Checkout)
Automating Collections with Test Data
Executing API Flows with Authentication
Reporting & Debugging Issues
📍 Module 12: Agile & Jira Integration
Agile Testing Overview
Linking API Tests to Jira User Stories
Bug Reporting with Evidence (Response Logs, Screenshots)
Tracking API Test Progress in Agile Projects
📍 Module 13: Interview Preparation
Common API Testing Interview Questions
Postman Hands-on Interview Questions
Resume Preparation & Project Showcasing
🎯 Manual Testers moving into API Testing
🎯 Freshers looking for an easy entry into QA
🎯 Developers validating their APIs
🎯 QA Engineers upskilling with Postman
💡 Why Learn API Testing with Postman?
Most widely used API testing tool
No coding required for beginners, but supports scripting for advanced testers
Essential for microservices & web apps testing
🧭 Career Path Options:
API Tester
QA Engineer (Manual + API)
Postman Specialist
QA Automation Engineer (API Focused)
🎯 Skills to Build:
REST API Testing with Postman
Assertions & Test Automation in Postman
API Authentication Methods
CLI-based API Testing with Newman
🛠 Recommended Certifications (Optional):
Postman Student Expert Certification
ISTQB Foundation Certification
API Testing Certifications
🔍 Job Roles You Can Apply For:
API Tester (Postman)
QA Engineer (Manual + API)
API Automation Tester
Software Test Engineer
💸 Expected Salary Range (India):
| Experience Level | Role | Average Salary |
|---|---|---|
| 0–1 years | API Test Trainee | ₹2.5–3.5 LPA |
| 1–3 years | API Tester (Postman) | ₹4–6 LPA |
| 3–5 years | Sr. QA Engineer (API) | ₹6–10 LPA |
| 5+ years | API Test Lead | ₹12+ LPA |
📦 What You’ll Get in the Course:
✅ Hands-on Postman Projects
✅ Resume Building & Mock Interviews
✅ Real-Time API Testing Scenarios
✅ Certificate of Completion
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