Outage in Vonage API
USA SMS/MMS - Delivery Degradation affecting SMS/MMS traffic towards T-Mobile Network
Resolved MinorIncident Report
Summary AI Generated
Vonage experienced a 3.4-hour degradation in SMS and MMS delivery affecting traffic destined for the T-Mobile USA network, with users seeing delays, failures, and missing delivery receipts. The issue was traced to a supplier-side problem, which was investigated and resolved with a fix implemented during the incident. Service was confirmed fully restored by July 16, 2026 at 22:05 UTC.
We are currently experiencing message delivery issues impacting SMS traffic towards T-Mobile USA. As a result, you may experience delays, failures or missing delivery receipts for outbound messages.
Our supplier is aware of this issue and investigating the root cause as a matter of urgency. We will post an update as soon as more information becomes available.
If you have any questions, please contact api.support.vonage.com
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Latest Updates ( sorted recent to last )
RESOLVED
1 day ago - at 07/16/2026 10:05PM
This incident has been resolved.
MONITORING
1 day ago - at 07/16/2026 09:42PM
A fix has been implemented and we are monitoring the results.
INVESTIGATING
1 day ago - at 07/16/2026 08:42PM
We are continuing to investigate this issue.
INVESTIGATING
1 day ago - at 07/16/2026 06:46PM
We are currently experiencing message delivery issues impacting SMS traffic towards T-Mobile USA. As a result, you may experience delays, failures or missing delivery receipts for outbound messages.
Our supplier is aware of this issue and investigating the root cause as a matter of urgency. We will post an update as soon as more information becomes available.
If you have any questions, please contact api.support.vonage.com
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