Vonage API incident
USA SMS - Delivery degradation affecting Short Code traffic towards AT&T operator
Resolved after 4 hours 30 minutes, affecting SMS North America, on September 29, 2026.
A fix has been implemented and we are monitoring the results.
Affected components
Update timeline
- investigating Sep 29, 2026, 01:03 PM UTC
Please be advised that we are observing SMS delivery degradation for short code traffic towards AT&T operator in USA.. We are working towards resolution of the issue and will issue an update as soon as more information becomes available. If you have any questions, please contact api.support.vonage.com
- investigating Sep 29, 2026, 03:06 PM UTC
We are still working with our partner towards resolution of the issue and will issue an update as soon as more information becomes available.
- investigating Sep 29, 2026, 04:31 PM UTC
We are still working with our partner towards resolution of the issue and will issue an update as soon as more information becomes available.
- monitoring Sep 29, 2026, 05:17 PM UTC
A fix has been implemented and we are monitoring the results.
- resolved Sep 29, 2026, 05:34 PM UTC
This incident has been resolved.
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