Vonage API incident
USA MMS - degradation affecting 10DLC MMS messages to AT&T network
Resolved after 6 hours 22 minutes, affecting MMS North America, on May 14, 2026.
A fix has been implemented and we are monitoring the results.
Affected components
Update timeline
- investigating May 14, 2026, 05:45 PM UTC
We have been notified by our US supplier about an issue impacting MMS messages sent from 10DLC numbers to AT&T network. You might experience missing or delayed MTs, MOs, or delivery receipts. The supplier is aware of this issue and investigating the root cause. We will issue an update as soon as more information becomes available. If you have any questions, please contact api.support.vonage.com
- monitoring May 14, 2026, 11:47 PM UTC
A fix has been implemented and we are monitoring the results.
- resolved May 15, 2026, 12:08 AM UTC
This incident has been resolved.
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