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Phase 8 · API Testing

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API Contract Testing

Part of the QA Testing Roadmap.

Summary

Verifying that an API's actual behavior matches its documented contract (like an OpenAPI spec) — catching breaking changes before they reach consumers who depend on the documented interface.

How to Learn This

  • 1Compare a sample API's actual response against its documented schema for discrepancies.
  • 2Learn why contract testing matters especially for microservices with many API consumers.
  • 3Explore a contract testing tool's basic concept (like Pact) at a high level.

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Authentication Testing (OAuth, API Keys)

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GraphQL Testing Basics

More topics in API Testing

REST API Basics for TestersHTTP Methods & Status CodesPostman FundamentalsAPI Test DesignAutomating API Tests (REST Assured / Requests)Authentication Testing (OAuth, API Keys)GraphQL Testing BasicsMocking & Stubbing APIs
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