Api Testing Using Postman
Published 3/2026
Created by Linda Fang
MP4 | Video: h264, 1920x1080 | Audio: AAC, 44.1 KHz, 2 Ch
Level: Beginner | Genre: eLearning | Language: English | Duration: 33 Lectures ( 5h 17m ) | Size: 7.43 GB
What you'll learn
✓ Utilize Postman for core API operations, sending HTTP requests (GET, POST, PUT, DELETE) and managing environments, variables, and collections effectively
✓ Develop automated test scripts and assertions using JavaScript in Postman to validate response codes, bodies, performance, and data integrity.
✓ Implement data-driven testing and CI/CD integration, parameterizing tests with files and automating execution via Newman CLI within DevOps pipelines.
✓ Execute comprehensive API testing strategies, designing and conducting functional, security, and performance tests while leveraging mocking and monitoring for e
Requirements
● No experience required, or Black Box Test Engineer
Description
This course contains the use of artificial intelligence. AI-powered translation services or voice cloning for multi-language versions.
A Complete Guide to API Testing Using Postman
This guide provides a comprehensive overview of API testing with Postman, covering fundamentals, advanced techniques, automation, and integration into enterprise workflows.
1. Introduction to APIs and API Testing
• What is an API?
An API (Application Programming Interface) is a set of rules that enables communication between applications or devices.
• API Testing Definition
API testing validates the functionality, reliability, performance, and security of APIs. It ensures that APIs meet design specifications and behave as expected under various conditions.
2. Postman: An Essential Tool for API Testing
Postman is a widely used platform for designing, testing, and documenting APIs. It supports
• Sending HTTP requests (GET, POST, PUT, DELETE, etc.)
• Organizing requests into Collections
• Writing Pre-request Scripts and Test Scripts in JavaScript
• Managing Variables (Global, Collection, Environment, Local, Data)
• Automating tests with Collection Runner and Newman CLI
3. Core Testing Features in Postman
Basic Testing
• Simulating various HTTP methods and content types (JSON, XML, form-data, etc.)
• Writing assertions to validate
• Status codes (e.g., 200, 201)
• Response body content
• Headers and cookies
• Response time (performance)
• JSON schema compliance
Advanced Testing
• Data-Driven Testing: Using CSV/JSON files to parameterize requests
• API Chaining: Passing data between requests using variables
• Environment Management: Switching between different setups (dev, test, prod)
• Automation: Running collections via CLI with Newman and generating HTML reports
• Mock Servers: Simulating API responses for parallel development
4. API Testing Types & Strategies
• Functional Testing: Validating API logic, input/output accuracy, and error handling
• Reliability Testing: Ensuring consistent performance under repeated use
• Security Testing: Checking authentication, authorization, and injection vulnerabilities
• Performance Testing: Measuring response times and scalability (can integrate with JMeter)
• Interoperability Testing: Verifying integration with other systems and data formats
• Penetration Testing: Simulating attacks to identify security flaws
5. API Design & Development Best Practices
• RESTful Principles: Using HTTP methods appropriately (GET, POST, PUT, DELETE)
• API-First Approach: Designing APIs before implementation to improve collaboration
• Documentation: Using OpenAPI/Swagger for interactive API docs
• CI/CD Integration: Automating API tests within development pipelines
6. Enterprise-Level API Automation
• Postman in CI/CD: Integrating with Jenkins, GitLab, and Docker
• Monitoring: Using Postman Monitors to track API health and performance
• Governance & Security: Enforcing API standards and security rules via CLI
• Collaboration: Sharing collections, environments, and reports across teams
7. Interview Q&A & Key Takeaways
Common questions include
• Explain HTTP methods and status codes.
• How does Postman handle authentication (OAuth, API keys, JWT, etc.)?
• Describe variable scopes in Postman.
• How do you automate API tests in Postman?
Who this course is for
■ Self-testing developer, junior test engineer, black-box test engineer
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