Vonage API incident
USA SMS - Delivery/MT receipt degradation affecting a subset of Short Codes to T-mobile
Vonage API experienced a minor incident on August 31, 2026 affecting SMS North America, lasting 3h 22m. The incident has been resolved; the full update timeline is below.
Affected components
SMS North America
Update timeline
- investigating Aug 31, 2026, 05:02 PM UTC
We have been notified about an issue impacting SMS messages from a subset of short codes to T-mobile. You may experience missing or delayed delivery receipts for a subset of short codes sending to T-mobile networks in the US. We will issue an update as soon as more information becomes available. If you have any questions, please contact api.support.vonage.com
- investigating Aug 31, 2026, 05:23 PM UTC
We are continuing to investigate this issue.
- monitoring Aug 31, 2026, 07:16 PM UTC
A fix has been implemented and we are monitoring the results.
- resolved Aug 31, 2026, 08:25 PM UTC
This incident has been resolved.