Chapter 6 – Test Tools
REST API Testing – ISTQB Definition
Last Updated: July 12, 2026 · SoftwareTestPilot QA Team
Official ISTQB Definition
Validation of RESTful web services covering endpoints, request/response payloads, status codes, headers, authentication, and error handling.
In simple words
Testing REST APIs — the URLs and JSON payloads behind most web apps.
Exam tip
Common REST test tools: Postman, RestAssured, Karate, Playwright API, Supertest.
Related terms
Practice this term in the ISTQB Mock Test
40 CTFL v4.0 questions, 60-minute timer, instant scoring and chapter-wise breakdown.
Practice in Mock Test