# Vonage API: Taiwan SMS - Delivery degradation of Domestic Pre-Registered Brands

- Provider: [Vonage API](https://outages.live/vonage.md)
- Type: Incident
- State: Resolved
- Worst impact: Degraded performance
- Started: 2026-10-22 10:56 UTC
- Resolved: 2026-10-26 03:21 UTC (lasted 4 days)
- Components: SMS APAC, Global Connectivity - SMS APAC
- Official update: https://stspg.io/jvhqtylqzr5f

## Updates from Vonage API

### resolved, 2026-10-26 03:21 UTC

This incident has been resolved.

### monitoring, 2026-10-26 01:40 UTC

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

### investigating, 2026-10-22 10:56 UTC

Please be advised that we are observing SMS delivery degradation for domestic pre-registered brands towards Taiwan. 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