SMS Delivery Delays and Failures from a Subset of Twilio Alphanumeric Sender IDs to Viva Dominican Republic

Incident Report for Twilio

Resolved

The incident has been resolved and SMS delivery from a subset of Twilio Alphanumeric Sender IDs to Viva network subscribers in the Dominican Republic is operating normally.
Posted Aug 21, 2026 - 22:40 PDT

Update

We have observed a recovery in SMS delivery from a subset of Twilio Alphanumeric Sender IDs to Viva network subscribers in the Dominican Republic and are monitoring service stability. We will provide another update in 8 hours or as soon as more information becomes available.
Posted Aug 21, 2026 - 21:41 PDT

Update

We have observed a recovery in SMS delivery from a subset of Twilio Alphanumeric Sender IDs to Viva network subscribers in the Dominican Republic and are monitoring service stability. We will provide another update in 4 hours or as soon as more information becomes available.
Posted Aug 21, 2026 - 17:36 PDT

Monitoring

We have observed a recovery in SMS delivery from a subset of Twilio Alphanumeric Sender IDs to Viva network subscribers in the Dominican Republic and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.
Posted Aug 21, 2026 - 15:35 PDT

Update

Twilio customers may be experiencing SMS delivery delays and failures from a subset of Twilio Alphanumeric Sender IDs to Viva network subscribers in the Dominican Republic. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 2 hours or as soon as more information becomes available.
Posted Aug 21, 2026 - 13:42 PDT

Identified

Twilio customers may be experiencing SMS delivery delays and failures from a subset of Twilio Alphanumeric Sender IDs to Viva network subscribers in the Dominican Republic. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 1 hour or as soon as more information becomes available.
Posted Aug 21, 2026 - 12:41 PDT

Investigating

Twilio customers may be experiencing SMS delivery delays and failures from a subset of Twilio Alphanumeric Sender IDs to Viva network subscribers in the Dominican Republic. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.
Posted Aug 21, 2026 - 12:39 PDT
This incident affected: CARRIER NETWORK (SMS, Latin America).