API Contract Violation Detector
Monitor API responses against documented schemas, detect breaking changes in real-time, and prevent schema drift.
How it works
API contract violations break client code. This agent monitors your API endpoints against their OpenAPI/AsyncAPI specifications, validating every response for schema compliance. It detects when fields are added, removed, or have unexpected types, before your clients discover the breaking change. The agent integrates with your API documentation, generates diffs showing what changed, and can automatically create GitHub issues or send Slack alerts. For APIs serving external clients, it helps you maintain backward compatibility by flagging when you're about to introduce breaking changes, giving you a chance to deprecate fields gradually. The agent also provides metrics on schema compliance and documentation accuracy over time.
Key features
- Real-time API response validation against OpenAPI specs
- Automatic breaking change detection and reporting
- Schema drift detection and documentation sync
- Client impact analysis for API changes
- Backward compatibility enforcement recommendations
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