Never break a consumer again. API Guardian diffs every OpenAPI/GraphQL schema change in CI, flags breaking changes, and writes the migration guide for your consumers automatically.
Protect Your APIsGoes beyond text diff — understands type narrowing, required fields, removed endpoints.
Blocks or warns on breaking changes per your versioning policy, as a PR check.
LLM-written consumer migration docs with before/after code samples.
Generates consumer-driven contract tests from real traffic patterns.
Deprecation timelines and changelogs pushed to registered consumers.
Integrates with Zion AI Gateway for live traffic shadowing.