Understand APIs
Read endpoints, request/response flow and HTTP status codes.
API TESTING · POSTMAN FUNDAMENTALS
Learn. Practice. Validate APIs.
A focused, job-ready path for API testing with Postman. Learn the core concepts, then validate realistic Employee API requests in the practice lab.
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API module progress
Complete a lesson to begin.
Your API testing roadmap
Only the practical Postman skills candidates need for entry-level QA work.
Use Postman
Send requests with parameters, headers and JSON bodies.
Validate results
Check response data with positive and negative tests.
Build a collection
Use variables and assertions in the final assignment.
Lesson 1 · API & Web Services Basics
Understand the language of APIs before opening Postman.
0 of 6 challenges passed
Use the safe in-portal Employee API Lab before working in Postman.
API Testing with Postman
Read the lesson, complete it, then apply it in the practice lab.
Employee API Practice Lab
Send a request, inspect its response, then validate your challenge. This is guided practice—not a Postman clone.
Run a request to view its status and response.
{}Challenges & assignments
Each challenge checks the essential request details and gives immediate PASS / FAIL feedback.
LESSON 10 CAPSTONE
Employee API test suite
Create the NVA-QA environment and a Postman collection. Demonstrate GET, POST, PUT, PATCH, DELETE, headers, parameters, variables, assertions and negative testing.