Minor incident

Twilio: SMS Delivery Receipt Delays from Twilio to Surf Telecom Brazil

Affected: SMS, Latin America

Current status of Twilio: Minor issues — live Twilio status

Timeline

1. Oct 19, 2026, 02:41 UTC
   investigating
   Twilio customers may be experiencing SMS delivery receipt delays from Twilio to Surf Telecom network subscribers in Brazil. Our team is actively investigating this issue. Message delivery may succeed, but delivery receipts may be delayed. We will provide another update in 1 hour or as soon as more information becomes available.
2. Oct 19, 2026, 02:49 UTC
   identified
   Twilio customers may be experiencing SMS delivery receipt delays from Twilio to Surf Telecom network subscribers in Brazil. Our team has identified the cause, and is working to resolve the issue. Message delivery may succeed, but delivery receipts may be delayed. We will provide another update in 1 hour or as soon as more information becomes available.
3. Oct 19, 2026, 03:49 UTC
   identified
   Twilio customers may be experiencing SMS delivery receipt delays from Twilio to Surf Telecom network subscribers in Brazil. Our team has identified the cause, and is working to resolve the issue. Message delivery may succeed, but delivery receipts may be delayed. We will provide another update in 2 hours or as soon as more information becomes available.
4. Oct 19, 2026, 05:50 UTC
   identified
   Twilio customers may be experiencing SMS delivery receipt delays from Twilio to Surf Telecom network subscribers in Brazil. Our team has identified the cause, and is working to resolve the issue. Message delivery may succeed, but delivery receipts may be delayed. We will provide another update in 4 hours or as soon as more information becomes available.
5. Oct 19, 2026, 09:58 UTC
   identified
   Twilio customers may be experiencing SMS delivery receipt delays from Twilio to Surf Telecom network subscribers in Brazil. Our team has identified the cause, and is working to resolve the issue. Message delivery may succeed, but delivery receipts may be delayed. We will provide another update in 8 hours or as soon as more information becomes available.
6. Oct 19, 2026, 17:58 UTC
   identified
   Twilio customers may be experiencing SMS delivery receipt delays from Twilio to Surf Telecom network subscribers in Brazil. Our team has identified the cause, and is working to resolve the issue. Message delivery may succeed, but delivery receipts may be delayed. We will provide another update in 16 hours or as soon as more information becomes available.
7. Oct 20, 2026, 10:07 UTC
   identified
   Twilio customers may be experiencing SMS delivery receipt delays from Twilio to Surf Telecom network subscribers in Brazil. Our team has identified the cause, and is working to resolve the issue. Message delivery may succeed, but delivery receipts may be delayed. We will provide another update in 24 hours or as soon as more information becomes available.
8. Oct 20, 2026, 20:12 UTC
   resolved
   We have completed our investigation. This event did not cause performance degradation beyond the expected behavior for this Brazilian carrier, which may retry delivery attempts for up to 24 hours before setting a final status. All systems are operating normally.

Updates as published by Twilio (original).