Vonage API incident
USA SMS - Delivery Degradation affecting traffic towards AT&T
Resolved after 4 hours 52 minutes, affecting SMS North America, on July 25, 2026.
A fix has been implemented by our partner and we observe traffic has been delivering normally now.
Affected components
Update timeline
- investigating Jul 25, 2026, 03:38 AM UTC
We have observed SMS delivery degradation impacting 10DLC, SC and TFN traffic towards AT&T USA. You may expect missing or delayed outbound messages, missing or late delivery receipts. The carrier 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
- investigating Jul 25, 2026, 06:19 AM UTC
We are working with our partner on the issue, We will issue an update as soon as more information becomes available.
- monitoring Jul 25, 2026, 08:15 AM UTC
A fix has been implemented by our partner and we observe traffic has been delivering normally now.
- resolved Jul 25, 2026, 08:31 AM UTC
This incident has been resolved.
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