SMS Missing Delivery Receipts From AT&T Network

Incident Report for Twilio

Resolved

Twilio Programmable Messaging was degraded for 2.5 hours between 12:41 and 4:21 Pacific Time on 05/01/2025. During this period of time, customers may have experienced missing delivery receipts to AT&T network in the US. The issue has now been resolved.

Posted May 05, 2025 - 06:22 PDT

Monitoring

Our engineers are currently investigating the customer impact of a retroactive issue with SMS. We will follow up and provide customer impact details within 2 hours.

Posted May 05, 2025 - 06:11 PDT