Outage in Vonage API
Japan SMS - Delivery degradation affecting Softbank Network
Resolved MinorIncident Report
Summary AI Generated
Vonage API experienced SMS delivery degradation to Japan's Softbank Network, specifically affecting domestic registration traffic. The issue impacted the SMS APAC service for 1.5 hours while Vonage worked with carrier partners to resolve the problem. A fix was implemented and monitored before the incident was fully resolved.
Please be informed that we are currently observing SMS delivery degradation towards Softbank Network. This impacts only the domestic registration traffic.
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 https://www.vonage.com/support/
Components affected
Vonage API SMS APACTrusted by 1,000+ teams
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Latest Updates ( sorted recent to last )
RESOLVED
11 days ago - at 04/08/2026 09:20AM
This incident has been resolved.
MONITORING
11 days ago - at 04/08/2026 09:01AM
A fix has been implemented and we are monitoring the results.
INVESTIGATING
11 days ago - at 04/08/2026 07:54AM
Please be informed that we are currently observing SMS delivery degradation towards Softbank Network. This impacts only the domestic registration traffic.
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 https://www.vonage.com/support/
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