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API Testing

API Testing &
Automation

Learn how to validate modern systems at the service layer with stronger precision, tooling confidence, and automation awareness.

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.

Stack

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.

Understand methods, payloads, auth, response codes, and data confidence.
Use environments, collections, and modular request structure more effectively.
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.