SMS Delivery Failures to Multiple Networks in Brazil for a Subset of Registered SenderIDs

Incident Report for Twilio

Resolved

We are no longer experiencing SMS delivery failures towards Multiple Networks in Brazil for a Subset of Registered SenderIDs. This incident has been resolved.

Posted Dec 02, 2025 - 18:39 PST

Monitoring

We are observing recovery, with SMS delivering successfully with SenderIDs preserved. We will continue to monitor to ensure a full recovery for 2 hours.

Posted Dec 02, 2025 - 14:55 PST

Update

We are no longer experiencing SMS delivery failures following a temporary mitigation. However, Registered SenderIDs are currently not being preserved. We will provide another update in 4 hours or as soon as we have more information.

Posted Dec 02, 2025 - 12:10 PST

Update

We are still experiencing SMS delivery failures towards Multiple Networks in Brazil for a Subset of Registered SenderIDs. Our engineers are working with our carrier partner to resolve the issue. We expect to provide another update in 2 hours or as soon as more information becomes available.

We are no longer experiencing SMS delivery failures following a temporary mitigation. However, Registered SenderIDs are currently not being preserved.

Posted Dec 02, 2025 - 10:12 PST

Investigating

We are experiencing SMS delivery failures towards Multiple Networks in Brazil for a Subset of Registered SenderIDs. Our engineers are working with our carrier partner to resolve the issue. We expect to provide another update in 1 hour or as soon as more information becomes available.

Posted Dec 02, 2025 - 09:12 PST

This incident affected: CARRIER NETWORK (SMS, Latin America).