Braze incident
SMS Delivery Delays and Failures to and from Multiple Networks in US for a Subset of Short Codes
Resolved after 3 hours 51 minutes, affecting SMS, on August 28, 2025.
SMS functionality has been restored to normal operations for all affected short codes on US carrier networks. The service disruption, caused by a Twilio incident, has been fully resolved. We continue monitoring to ensure optimal performance.
Affected components
Update timeline
- identified Aug 28, 2025, 07:06 PM UTC
Braze Engineers have identified an issue with SMS delivery Delays and failures to multiple networks in US for a subset of short codes. Braze Engineers have confirmed this appears to be related to an ongoing Twilio incident: https://status.twilio.com/incidents/rh2bywf4s0nv We expect to provide another update in 30 minutes or as soon as more information becomes available.
- identified Aug 28, 2025, 07:46 PM UTC
Braze Engineers are working with Twilio to determine the complete scope of impact to Braze services and US customers. We will continue monitoring the situation and provide an update when more information becomes available.
- monitoring Aug 28, 2025, 09:12 PM UTC
We are experiencing recovery in SMS delivery delays and failures due to an external Twilio issue, impacting our downstream services for some US short codes. Braze Engineers will continue to monitor the situation and provide an update when more information becomes available.
- resolved Aug 28, 2025, 10:58 PM UTC
SMS functionality has been restored to normal operations for all affected short codes on US carrier networks. The service disruption, caused by a Twilio incident, has been fully resolved. We continue monitoring to ensure optimal performance.
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