Outage in Vonage API
China SMS - Delivery degradation of Pre-Registered brands
Resolved MinorIncident Report
Summary AI Generated
Vonage API experienced SMS delivery degradation for domestic pre-registered brands sending messages to China, affecting the SMS APAC service. The issue lasted 8.9 hours while Vonage worked with carrier partners to identify and implement a fix. The incident was resolved after monitoring confirmed the fix was successful.
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.
Please contact support@api.vonage.com if you have any questions
Components affected
Vonage API SMS APACTrusted by 1,000+ teams
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Latest Updates ( sorted recent to last )
RESOLVED
about 1 month ago - at 03/20/2026 01:40AM
This incident has been resolved.
MONITORING
about 1 month ago - at 03/20/2026 01:11AM
A fix has been implemented and we are monitoring the results.
INVESTIGATING
about 1 month ago - at 03/19/2026 04:49PM
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.
Please contact support@api.vonage.com if you have any questions
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