# Twilio: SMS Delivery Receipt Failures from Twilio to Claro Costa Rica

> Twilio SMS delivery receipts fail for Claro network subscribers in Costa Rica. This affects SMS in Latin America and the carrier network for SMS in Latin America. Twilio is investigating the problem.

- Provider: [Twilio](https://outages.live/twilio.md)
- Type: Incident
- State: investigating
- Worst impact: Degraded performance
- Started: 2026-11-12 22:31 UTC
- Components: SMS, Latin America, CARRIER NETWORK - SMS, Latin America
- Official update: https://stspg.io/kwdmd91r9qjd

## Updates from Twilio

### investigating, 2026-11-12 23:33 UTC

Twilio customers may be experiencing SMS delivery receipt failures from Twilio to Claro network subscribers in Costa Rica. Our team is actively investigating this issue. Message delivery may succeed, but delivery receipts may be failing. We will provide another update in 2 hours or as soon as more information becomes available.

### investigating, 2026-11-12 22:33 UTC

Twilio customers may be experiencing SMS delivery receipt failures from Twilio to Claro network subscribers in Costa Rica. Our team is actively investigating this issue. Message delivery may succeed, but delivery receipts may be failing. We will provide another update in 1 hour or as soon as more information becomes available.