Advanced Level – Cross-Cutting
Microservices – ISTQB Definition
Last Updated: July 12, 2026 · SoftwareTestPilot QA Team
Official ISTQB Definition
An architectural style that structures an application as a collection of loosely coupled, independently deployable services.
In simple words
An app built from many small services, each with its own database and deployment pipeline.
Exam tip
Microservices push most testing to contract, service and end-to-end layers — UI tests alone don't cover risk.
Related terms
- Contract TestingTest that each API consumer and provider still honor the shared schema — great for microservices.
- Service VirtualizationFake entire services (payments, third-party APIs) so tests aren't blocked by them.
- End-to-End Testing (E2E)Test the whole app the way a user would, through the real UI and back-end.
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