QA API Testing and Contracts Use this skill to turn an API schema into enforceable checks (lint, diff, contracts, and negative/security cases) and wire them into CI so breaking changes cannot ship silently. Ask For Inputs - API type and canonical schema artifact (OpenAPI 3.1, SDL, proto) and where it lives in-repo. - Environments, auth method(s), and how to provision stable test identities/keys. - Critical endpoints/operations and business flows (rank by risk and revenue impact). - Data constraints (idempotency keys, pagination, ordering), rate limits, and error format (prefer RFC 7807 for RE…