# SendGrid: SMS Delivery Delays from a Subset of Twilio Phone Numbers to Vivo Brazil

- Provider: [SendGrid](https://outages.cc/sendgrid.md)
- Type: Incident
- State: Resolved
- Worst impact: Degraded performance
- Started: 2026-10-29 12:18 UTC
- Resolved: 2026-10-29 15:54 UTC (lasted 3 h 35 min)
- Components: SMS, Latin America, CARRIER NETWORK - SMS, Latin America
- Official update: https://stspg.io/hx3nt33m96pc

## Updates from SendGrid

### resolved, 2026-10-29 15:54 UTC

The incident has been resolved and SMS delivery from a subset of Twilio Phone Numbers to Vivo network subscribers in Brazil is operating normally.

### monitoring, 2026-10-29 15:12 UTC

We have observed a recovery in SMS delivery from a subset of Twilio Phone Numbers to Vivo 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.

### identified, 2026-10-29 15:01 UTC

Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Phone Numbers to Vivo 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.

### identified, 2026-10-29 14:01 UTC

Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Phone Numbers to Vivo 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.

### monitoring, 2026-10-29 13:58 UTC

We have observed a recovery in SMS delivery from a subset of Twilio Phone Numbers to Vivo 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.

### identified, 2026-10-29 13:57 UTC

Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Phone Numbers to Vivo 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.

### investigating, 2026-10-29 13:24 UTC

Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Phone Numbers to Vivo 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.

### investigating, 2026-10-29 12:18 UTC

Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Phone Numbers to Vivo 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.