Tag: API deprecation policy agentic systems

  • UCP Schema Versioning: Live Merchant Backward Compatibility

    UCP Schema Versioning: Live Merchant Backward Compatibility

    Your AI agent just silently misread a product availability field. Not because the API threw an error. The [schema change removed a field](https://ucp.dev/draft/specification/versioning/) your agent depended on. It replaced that field with a renamed equivalent. Nobody told the agent about the change.