What visitors reported during this incident

No visitor reports were filed for this incident.

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Affected services

SMS, Latin America

Updates (8)

Oct 20, 2026, 08:12 PM
SMS Delivery Receipt Delays from Twilio to Surf Telecom Brazil
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.
SendGrid ↗
Oct 20, 2026, 10:07 AM
SMS Delivery Receipt Delays from Twilio to Surf Telecom Brazil
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.
SendGrid ↗
Oct 19, 2026, 05:58 PM
SMS Delivery Receipt Delays from Twilio to Surf Telecom Brazil
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.
SendGrid ↗
Oct 19, 2026, 09:58 AM
SMS Delivery Receipt Delays from Twilio to Surf Telecom Brazil
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.
SendGrid ↗
Oct 19, 2026, 05:50 AM
SMS Delivery Receipt Delays from Twilio to Surf Telecom Brazil
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.
SendGrid ↗
Oct 19, 2026, 03:49 AM
SMS Delivery Receipt Delays from Twilio to Surf Telecom Brazil
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.
SendGrid ↗
Oct 19, 2026, 02:49 AM
SMS Delivery Receipt Delays from Twilio to Surf Telecom Brazil
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.
SendGrid ↗
Oct 19, 2026, 02:41 AM
SMS Delivery Receipt Delays from Twilio to Surf Telecom Brazil
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.
SendGrid ↗

What to do next

Verify your own services recovered cleanly. Some upstream outages leave queues or caches in a degraded state, run smoke tests before declaring green internally.
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