Campaign Manager 360 API v4 to Sunset on February 26 2026

Campaign Manager 360 API v4 will be sunset on February 26, 2026, after which all v4 API requests will fail. Users are strongly encouraged to migrate to v5 promptly to avoid service interruptions. Migration typically involves upgrading to the latest version of the preferred client library. It is also recommended to review the migration guide and release notes for important changes that may impact implementation. For any questions, users can contact Campaign Manager 360 API support.