Vonage API incident
China SMS - Delivery degradation of Pre-Registered brands
Resolved after 34 days 23 hours, affecting SMS APAC, on September 24, 2026.
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.
Affected components
Update timeline
- investigating Sep 24, 2026, 10:53 AM 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
- monitoring Oct 29, 2026, 10:42 AM UTC
A fix has been implemented and we are monitoring the results.
- resolved Oct 29, 2026, 10:43 AM 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.
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