Requests, assertions and authentication in REST Assured, on one page.
Topics: API Testing, Java, REST Assured
About this cheat sheet
The REST Assured Cheat Sheet is a quick, practical reference for Java developers and QA engineers who want to build, execute, and validate REST API tests efficiently. Whether you're starting with API automation or preparing for technical interviews, this guide brings frequently used REST Assured syntax, methods, and examples together in one place. Spend less time searching for syntax and more time writing reliable API tests.
What’s inside
- REST Assured Fundamentals: Setup, dependencies, imports, and the Given–When–Then syntax.
- HTTP Methods: GET, POST, PUT, PATCH, and DELETE requests.
- Request Building: Headers, parameters, cookies, request bodies, and content types.
- Response Validation: Status codes, response headers, body assertions, and Hamcrest matchers.
- JSONPath & Extraction: Extract and validate values from JSON responses.
- Authentication: Basic, preemptive, and OAuth-related authentication syntax.
- Logging & Debugging: Request and response logging techniques.
- Reusable Specifications: Request specifications, response specifications, and cleaner test structures.
- Quick Reference: Common syntax, practical examples, and mistakes to avoid.
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