SendGrid incident: SMS Delivery Delays and Failures from Twilio to Claro Brazil and Puerto Rico

Affected components

• SMS, Latin America

1. resolvedOct 26, 2026, 11:09 UTC

   The incident has been resolved and SMS delivery from Twilio to Claro network subscribers in Brazil and Puerto Rico is operating normally.

2. monitoringOct 26, 2026, 10:05 UTC

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

3. identifiedOct 26, 2026, 08:41 UTC

   Twilio customers may be experiencing SMS delivery delays and failures from Twilio to 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.

4. identifiedOct 26, 2026, 07:41 UTC

   Twilio customers may be experiencing SMS delivery delays and failures from Twilio to Claro network subscribers in Brazil and Puerto Rico. 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. identifiedOct 26, 2026, 04:53 UTC

   Twilio customers may be experiencing SMS delivery delays and failures from Twilio to Claro network subscribers in Brazil and Puerto Rico. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 16 hours or as soon as more information becomes available.

6. identifiedOct 25, 2026, 20:46 UTC

   Twilio customers may be experiencing SMS delivery delays and failures from Twilio to Claro network subscribers in Brazil and Puerto Rico. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 8 hours or as soon as more information becomes available.

7. identifiedOct 25, 2026, 16:46 UTC

   Twilio customers may be experiencing SMS delivery delays and failures from Twilio to Claro network subscribers in Brazil and Puerto Rico. 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.

8. identifiedOct 25, 2026, 14:45 UTC

   Twilio customers may be experiencing SMS delivery delays and failures from Twilio to Claro network subscribers in Brazil and Puerto Rico. 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.

9. identifiedOct 25, 2026, 13:45 UTC

   Twilio customers may be experiencing SMS delivery delays and failures from Twilio to Claro network subscribers in Brazil and Puerto Rico. 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.

10. investigatingOct 25, 2026, 12:47 UTC

    Twilio customers may be experiencing SMS delivery delays and failures from Twilio to 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.

What APIStatus.watch saw

Our 5-minute checks didn't record a change in SendGrid's overall status around this incident. Smaller or regional incidents often leave a provider's overall status green.

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• Twilio: Voice Call Post Dial Delay from Twilio Phone Numbers to ChileMinor · Oct 23, 2026, 14:53 UTC
• Twilio: SMS Delivery Delays from Twilio to Claro Costa RicaMinor · Oct 24, 2026, 00:48 UTC
• Twilio: Voice Call Failures and Post Dial Delay From a Subset of Twilio Phone Numbers to United StatesMinor · Oct 24, 2026, 14:17 UTC

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