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API Contract Tester

$1.99Official

Generate and run contract tests for REST and GraphQL APIs from OpenAPI specs or schema definitions.

code-qualityapitestingcontract-testsopenapigraphql· by SkillingMain

What you get

  • ✓8-step procedure
  • ✓6 pitfalls to avoid
  • ✓Installs into 6 tools
Version
v1 →
Last updated
today
Length
3 min read
Requires
Works with any modern AI assistant

Works in: Claude Code, Codex, Cline, opencode, OpenClaw, Hermes

Preview

When to use

Use this skill when you need to verify that an API implementation conforms to its published specification (OpenAPI/Swagger for REST, SDL for GraphQL), or when a consumer and provider team need a shared test that catches drift. It's especially valuable in microservice architectures where services evolve independently and a breaking change in one can silently break others. Trigger when the user mentions contract testing, consumer-driven contracts, API compatibility, or spec drift.

Inputs to gather

  • The OpenAPI spec (3.0+) URL or file, or the GraphQL schema/SDL
  • The base URL of the running API instance to test against
  • Authentication details (API key, OAuth token, Basic

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