API Testing
API Testing &
Automation
Learn how to validate modern systems at the service layer with stronger precision, tooling confidence, and automation awareness.
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Live Framework
Backend quality with a clearer focus on services, data, and validation logic.
The LSST Tech Stack
A focused stack for service quality, automation readiness, and deeper QA coverage.
Stack
REST API Concepts
Understand how APIs work, including requests, responses, authentication, and data exchange fundamentals.
Stack
Postman for API Testing
Design, organize, and test API requests using collections, environments, and automated checks in Postman.
Stack
Newman CLI Execution
Run Postman collections from the command line for faster, repeatable, and automated testing workflows.
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API Automation with JavaScript / Python
Build scalable API tests using JavaScript or Python for advanced automation and validation.
Stack
Integration Testing
Validate how multiple systems and services work together to ensure seamless data flow and reliability.
Engineered Curriculum
Engineered Curriculum
A compact progression from API fundamentals into stronger backend QA confidence.
01 Request & Response Validation
Understand methods, payloads, auth, response codes, and data confidence.
02 Environments & Variables
Use environments, collections, and modular request structure more effectively.
03 Automation Pathways
Translate API checks into scalable workflows through Newman and code-based options.
Refine Your Career Trajectory
API testing deepens your QA profile and makes you more relevant in modern product and engineering teams.
Depth
42%
Broader QA capability and backend confidence.
Growth
300+
Learners pushing deeper into API work.
Ready to refine your skill set?
Use LSST to build deeper API-testing confidence and stronger modern QA relevance.