Udemy · Valentin Despa
Postman: REST API Testing — Valentin Despa
Review Valentin Despa’s Postman course for HTTP requests, variables, assertions, authentication, mocks, and CI, with safe practice-data guidance.
Beginner10+ hoursCertificate
Postman courses and tutorials
Explore Postman courses for requests, variables, assertions, authentication, and automated runs, with HTTP foundations and safe practice-data guidance.
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About Postman
Postman makes HTTP requests visible and repeatable. An API test needs more than a successful status: the returned data and side effects should meet an expectation. Learn methods, headers, and response structure before building a large collection.
Choose a useful starting point
Check plan features and scripting prerequisites. Use a local or provided API, respect permissions and rate limits, and keep real tokens out of public workspaces. Automated runs should use controlled test data and clear failure messages.
Build on the lessons
Create success, invalid-input, and unauthorized requests for a practice API. Assert important fields and explain why each expected response demonstrates a useful contract.