The incident has been resolved and SMS delivery receipts from Twilio to Altan network subscribers in Mexico are operating normally.
Posted Jul 28, 2026 - 14:57 PDT
Update
We are continuing to monitor for any further issues.
Posted Jul 28, 2026 - 13:40 PDT
Monitoring
We have observed a recovery in SMS delivery receipts from Twilio to Altan network subscribers in Mexico and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.
Posted Jul 28, 2026 - 13:22 PDT
Identified
Twilio customers may be experiencing SMS delivery receipt delays from Twilio to Altan network subscribers in Mexico. 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.
Posted Jul 28, 2026 - 13:18 PDT
Investigating
Twilio customers may be experiencing SMS delivery receipt delays from Twilio Phone Numbers to Altan network subscribers in Mexico. 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.
Posted Jul 28, 2026 - 13:09 PDT
This incident affected: CARRIER NETWORK (SMS, Latin America).