Twilio incident

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

Minor Resolved View vendor source →

Twilio experienced a minor incident on August 21, 2026 affecting SMS, Latin America, lasting 10h. The incident has been resolved; the full update timeline is below.

Started
Aug 21, 2026, 07:39 PM UTC
Resolved
Aug 22, 2026, 05:40 AM UTC
Duration
10h
Detected by Pingoru
Aug 21, 2026, 07:39 PM UTC

Affected components

SMS, Latin America

Update timeline

  1. investigating Aug 21, 2026, 07:39 PM UTC

    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.

  2. identified Aug 21, 2026, 07:41 PM UTC

    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.

  3. identified Aug 21, 2026, 08:42 PM UTC

    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.

  4. monitoring Aug 21, 2026, 10:35 PM UTC

    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.

  5. monitoring Aug 22, 2026, 12:36 AM UTC

    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.

  6. monitoring Aug 22, 2026, 04:41 AM UTC

    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.

  7. resolved Aug 22, 2026, 05:40 AM UTC

    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.