Learn API testing with Postman from scratch
β±οΈ Length: 4.5 total hours
β 4.36/5 rating
π₯ 90,259 students
π January 2025 update
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Course Overview
- This “Complete Guide” offers a rapid, practical entry into API testing using Postman, designed for absolute beginners to become proficient.
- Gain hands-on skills to validate, automate, and ensure the reliability of web services, critical for modern application backends.
- Updated in January 2025, the 4.5-hour course provides current, industry-relevant practices for effective API quality assurance.
- Ideal for aspiring QA engineers, developers, or anyone seeking to master essential techniques for robust API validation and debugging.
- Learn a structured methodology for identifying bugs, verifying data integrity, and confirming expected API behaviors.
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Requirements / Prerequisites
- No prior API testing or Postman experience is needed; the course starts truly “from scratch.”
- Basic computer literacy and internet access are essential for installing Postman (free tool).
- A keen interest in learning new technical skills is the primary prerequisite for success.
- Administrator rights on your machine are required for software installation and setting up a Postman account.
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Skills Covered / Tools Used
- Advanced Postman Workflows: Master collections, environments, and global variables for scalable, reusable API testing.
- Automated Test Scripting: Write JavaScript-based Postman tests for response assertions, data validation, and complex logic.
- Pre-request Scripting: Develop scripts to prepare dynamic test data and handle authentication (e.g., OAuth 2.0 tokens) before sending requests.
- Data-Driven Testing: Execute API requests with multiple datasets from CSV/JSON files for comprehensive, real-world scenario testing.
- Collection Runner for Automation: Utilize the Collection Runner to automate sequential execution of API test suites and simulate user flows.
- Mock Server Implementation: Set up Postman Mock Servers to simulate API responses, enabling parallel front-end development.
- API Monitoring & Collaboration: Understand Postman’s monitoring for API uptime and collaborate effectively using workspaces.
- Authentication Mechanisms: Deepen knowledge of various API auth types (Basic, Bearer, OAuth 2.0) and their Postman configuration.
- Response Data Chaining: Extract data from responses and chain it into subsequent requests for intricate workflow testing.
- Systematic API Debugging: Acquire strategies to interpret errors, debug API responses, and troubleshoot discrepancies efficiently.
- API Documentation: Learn to leverage Postman for generating and maintaining clear, up-to-date API specifications.
- Basic Performance Insights: Identify fundamental API performance indicators like response times for initial assessment.
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Benefits / Outcomes
- Career Readiness: Qualify for roles like API Tester, QA Engineer, or Software Developer with strong API testing expertise.
- Faster Debugging: Significantly reduce time spent on backend issue identification and resolution through effective API validation.
- Enhanced Application Reliability: Contribute to building stable, robust software by ensuring API interactions are flawless.
- Streamlined Development: Facilitate efficient development cycles by enabling parallel work with reliable API contracts and mocks.
- Automated Quality Assurance: Implement continuous, automated API test suites to catch regressions early and maintain code quality.
- Holistic API Understanding: Gain a comprehensive view of web application communication and data flow via API interactions.
- Confident Integrations: Approach third-party API integrations or internal API development with proven testing confidence.
- Versatile Skillset: Acquire a universally applicable skill crucial across diverse industries and technology stacks.
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PROS
- Beginner-Friendly: Tailored for absolute beginners with a “from scratch” learning path.
- Highly Practical: Emphasizes hands-on application and real-world testing scenarios.
- Current Content: Recently updated (January 2025) to cover the latest Postman features and best practices.
- Time-Efficient: Short 4.5-hour duration allows for rapid skill acquisition.
- Excellent Rating: High 4.36/5 rating from over 90,000 students reflects strong course quality.
- Industry-Standard Tool: Focuses on Postman, an essential and widely adopted tool in the tech industry.
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CONS
- While foundational, learners might need to pursue more specialized courses for advanced performance or security testing.
Learning Tracks: English,Development,Software Testing
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