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Twilio

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

Minor Impact Resolved Duration: 10h August 21, 2026

Incident Lifecycle

Investigating Identified Identified Monitoring Monitoring Monitoring
Affected Components
SMS, Latin America

Incident Timeline

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 8 hours or as soon as more information becomes available.
Aug 22, 2026 at 4:41 AM UTC
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 4 hours or as soon as more information becomes available.
Aug 22, 2026 at 12:36 AM UTC
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.
Aug 21, 2026 at 10:35 PM UTC
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 2 hours or as soon as more information becomes available.
Aug 21, 2026 at 8:42 PM UTC
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.
Aug 21, 2026 at 7:41 PM UTC
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.
Aug 21, 2026 at 7:39 PM UTC
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