API Testing for Manual QA
Learn how modern applications communicate and test REST, SOAP, GraphQL, gRPC, and WebSockets with practical tools.
All qa.cafe features are currently free. Features and test data can change before launch.
Build clear Python foundations through realistic e-commerce QA examples, browser exercises, data workflows, and an order-audit capstone.
Write readable Python for focused QA tasks
Create and transform representative test data
Inspect JSON and CSV evidence safely
Build reusable validation utilities
Debug failures and report limitations