Twilio incident

SMS Delivery Delays and Failures From a Subset of Twilio Long Codes to Vivo and Claro Brazil

Minor Resolved View vendor source →

Twilio experienced a minor incident on September 4, 2026 affecting SMS, Latin America, lasting 9h 23m. The incident has been resolved; the full update timeline is below.

Started
Sep 04, 2026, 06:40 AM UTC
Resolved
Sep 04, 2026, 04:03 PM UTC
Duration
9h 23m
Detected by Pingoru
Sep 04, 2026, 06:40 AM UTC

Affected components

SMS, Latin America

Update timeline

  1. investigating Sep 04, 2026, 06:40 AM UTC

    Twilio customers may be experiencing SMS delivery delays and failures from a subset of Twilio Long Codes to Vivo and Claro network subscribers in Brazil. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.

  2. investigating Sep 04, 2026, 09:23 AM UTC

    Twilio customers may be experiencing SMS delivery delays and failures from a subset of Twilio Long Codes to Vivo and Claro network subscribers in Brazil. Our team is actively investigating this issue. We will provide another update in 2 hours or as soon as more information becomes available.

  3. identified Sep 04, 2026, 11:28 AM UTC

    Twilio customers may be experiencing SMS delivery delays and failures from a subset of Twilio Long Codes to Vivo and Claro network subscribers in Brazil. 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.

  4. identified Sep 04, 2026, 12:29 PM UTC

    Twilio customers may be experiencing SMS delivery delays and failures from a subset of Twilio Long Codes to Vivo and Claro network subscribers in Brazil. 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.

  5. monitoring Sep 04, 2026, 02:01 PM UTC

    We have observed a recovery in SMS delivery from a subset of Twilio Long Codes to Vivo and Claro network subscribers in Brazil and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.

  6. resolved Sep 04, 2026, 04:03 PM UTC

    The incident has been resolved and SMS delivery from a subset of Twilio Long Codes to Vivo and Claro network subscribers in Brazil is operating normally.