Twilio incident
SMS Delivery Delays and Failures From a Subset of Twilio Long Codes to Vivo and Claro Brazil
Resolved after 9 hours 23 minutes, affecting SMS, Latin America, on September 4, 2026.
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.
Affected components
Update timeline
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
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