# Vonage API: China SMS - Delivery degradation of Pre-Registered brands

- Provider: [Vonage API](https://outages.cc/vonage.md)
- Type: Incident
- State: Resolved
- Worst impact: Degraded performance
- Started: 2026-09-24 10:53 UTC
- Resolved: 2026-10-29 10:43 UTC (lasted 35 days)
- Components: SMS APAC, Global Connectivity - SMS APAC
- Official update: https://stspg.io/kjyt1qcb6n3f

## Updates from Vonage API

### resolved, 2026-10-29 10:43 UTC

This incident has been resolved following the implementation of a necessary change which restoring SMS delivery to China. We will now proceed with closing this incident. As the new changes requires re-registration of your brand signature and message templates — please contact your Account Manager or raise a request with our support team at api.support.vonage.com to get started. We appreciate your patience and understanding while we worked to resolve this issue.

### monitoring, 2026-10-29 10:42 UTC

A fix has been implemented and we are monitoring the results.

### investigating, 2026-09-24 10:53 UTC

Please be advised that we are observing SMS delivery degradation for domestic pre-registered brands towards China. We are working with our carrier partners to resolve the issue and will issue an update as soon as more information becomes available. If you have any questions, please contact api.support.vonage.com