1. Introduction to API and Postman

• What is an API?
• Types of APIs (REST, SOAP)
• Importance of API testing
• Introduction to Postman
• Installing and setting up Postman

2. Postman Basics

• Postman interface overview
• Creating a Postman account
• Sending your first API request
• Understanding HTTP methods (GET, POST, PUT, DELETE)
• Understanding status codes
• Response structure (Headers, Body, Cookies)

3. Working with API Requests

• Creating new requests
• Adding query parameters, headers, and body
• Authentication (Basic Auth, OAuth 2.0, Bearer Token)
• Handling form data, raw, and JSON body types
• Managing cookies and sessions in Postman

4. Collections and Environments

• Introduction to Postman collections
• Creating and organizing collections
• Running multiple requests using a collection
• Introduction to environments and variables
• Setting up global, environment, and collection-level variables
• Using environment variables in requests

5. Automating API Testing

• Writing tests in Postman
• Understanding JavaScript in Postman tests
• Validating response status, headers, and body
• Chaining requests and passing data between requests
• Using Pre-request scripts and Test scripts

6. Advanced API Testing

• Handling different authentication mechanisms (API keys, OAuth)
• Dynamic variables and functions in Postman (pm.response, pm.request)
• Writing custom assertions
• Working with mock servers in Postman
• Simulating API failures and negative testing

7. Postman Runner and Automation Tools

• Using Postman Collection Runner for batch testing
• Scheduling tests and using monitors in Postman
• Running Postman tests via CLI using Newman
• Integrating Postman with Jenkins for CI/CD
• Generating and exporting API test reports

8. Postman Collaboration Features

• Sharing collections and environments with the team
• Postman workspace collaboration
• API documentation generation and sharing

9. Best Practices for API Testing

• Structuring API tests effectively
• Version control for API collections
• Error handling and debugging techniques
• Performance testing with Postman

10. Real-Time Projects and Case Studies

• Real-world API testing scenarios
• Implementing API testing for a sample web application
• Hands-on projects to apply Postman skills