API Testing with Postman

Postman remains a daily tool for QA engineers. You will build collections, environments, scripts and runners — then move into Newman CLI execution for repeatable API checks.

• Beginners learning API testing
• Manual testers validating backends
• QA engineers building reusable collections
• Professionals preparing for API interview questions

• API Fundamentals
• REST APIs
• Requests & Responses
• Collections
• Environments
• Variables
• Headers
• Authentication
• Request Chaining
• Pre-request Scripts
• Test Scripts
• Assertions
• Collection Runner
• Data-Driven Testing
• Mocking Basics
• Newman
• CLI Execution
• Real-world API Testing

• Environment-aware API collection for a sample service
• Data-driven Collection Runner suite
• Newman CLI execution workflow

Project examples are instructional practice scenarios — not client case studies or partnership claims.

Helps you explain collections, variables, scripting and runners clearly in interviews — practical Postman fluency without overclaiming.

• Design Postman collections and environments
• Write pre-request and test scripts with assertions
• Run data-driven collections
• Execute suites via Newman on the CLI