SendGrid incident: SMS Delivery Delays from Twilio to Surf Telecom Brazil

Affected components

• SMS, Latin America

1. resolvedOct 28, 2026, 15:33 UTC

   The incident has been resolved and SMS delivery from Twilio to Surf Telecom network subscribers in Brazil is operating normally.

2. monitoringOct 28, 2026, 14:02 UTC

   We have observed a recovery in SMS delivery from Twilio to Surf Telecom 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.

3. identifiedOct 28, 2026, 13:21 UTC

   Twilio customers may be experiencing SMS delivery delays from Twilio to Surf Telecom 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.

4. identifiedOct 28, 2026, 12:20 UTC

   Twilio customers may be experiencing SMS delivery delays from Twilio to Surf Telecom 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.

5. monitoringOct 28, 2026, 12:19 UTC

   We have observed a recovery in SMS delivery from Twilio to Surf Telecom network subscribers in Brazil and are monitoring service stability. We will provide another update in 8 hours or as soon as more information becomes available.

6. monitoringOct 28, 2026, 08:16 UTC

   We have observed a recovery in SMS delivery from Twilio to Surf Telecom network subscribers in Brazil and are monitoring service stability. We will provide another update in 4 hours or as soon as more information becomes available.

7. monitoringOct 28, 2026, 06:14 UTC

   We have observed a recovery in SMS delivery from Twilio to Surf Telecom 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.

8. identifiedOct 28, 2026, 02:56 UTC

   Twilio customers may be experiencing SMS delivery delays from Twilio to Surf Telecom network subscribers in Brazil. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 4 hours or as soon as more information becomes available.

9. identifiedOct 28, 2026, 00:50 UTC

   Twilio customers may be experiencing SMS delivery delays from Twilio to Surf Telecom 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.

10. identifiedOct 27, 2026, 23:49 UTC

    Twilio customers may be experiencing SMS delivery delays from Twilio to Surf Telecom 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.

11. investigatingOct 27, 2026, 23:23 UTC

    Twilio customers may be experiencing SMS delivery delays from Twilio to Surf Telecom 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.

What APIStatus.watch saw

• Oct 28, 2026, 11:20 UTCoperational → unknown
• Oct 28, 2026, 11:25 UTCunknown → operational
• Oct 28, 2026, 13:45 UTCoperational → unknown
• Oct 28, 2026, 13:50 UTCunknown → operational

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