ZZagiContract monitor Live engine

API CHANGE INTELLIGENCE

Catch breaking API changes before they reach production.

Zagi monitors the external APIs your product depends on, detects semantic contract changes, and shows which operations may be affected.

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Public alpha. No codebase access required for the initial API contract review.

21/30 unregistered APIs produced a monitorable result in the latest name-only blind benchmark; 14 produced machine-readable contracts.

Public sandbox · No discovery quota

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No domain, documentation page, or OpenAPI file required. Start with a verified demo below.

Verified demos
Controlled customer demo · official provider evidenceSee a real upcoming API deprecationExplore how Zagi evaluates eBay Product API operations scheduled for decommission on August 15, 2026.
View eBay demo →

Public alpha boundary: login-protected or private docs, introspection-disabled GraphQL portals, and some JavaScript-only references may not compile yet. Zagi labels partial results instead of presenting them as complete contracts.

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