China SMS - Delivery degradation of Pre-Registered brands
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.
The latest update from Vonage API.
State
Resolved
Started
38 d ago
2026-09-24 10:53 UTC
Lasted
35 days
until 2026-10-29 10:43 UTC
Worst impact
Degraded
Timeline
3 updatesInvestigating
35 days 100%
Monitoring
1 min 0%
Updates
Times in UTCAs posted by Vonage API
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.
A fix has been implemented and we are monitoring the results.
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
Affected components
2Vonage API in the last 90 days
Full historyIncidents in 90 days
49
Days with an incident
39
Median duration
3 h 22 min
This incident
250× the median
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Add it as a remote MCP server named "outages" at https://outages.cc/mcp (Streamable HTTP, no authentication), with your CLI command or your MCP config file.
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