Twilio incident

SMS and MMS Delivery Receipt Delays from Twilio to AT&T United States

Resolved after 7 hours 24 minutes, affecting SMS Long Code, North America and SMS Long Code, North America and 1 more, on October 7, 2026.

resolved Oct 07, 2026, 10:33 PM UTC

The incident has been resolved and SMS and MMS delivery receipts from Twilio to AT&T network subscribers in the United States are operating normally.

Started: Oct 07, 2026, 03:09 PM UTC
Resolved: Oct 07, 2026, 10:33 PM UTC
Duration: 7h 24m
Detected by Pingoru: Oct 07, 2026, 03:09 PM UTC

Affected components

SMS Long Code, North AmericaSMS Long Code, North AmericaMMS Long Code, North AmericaMMS Long Code, North AmericaSMS Short Code, North AmericaSMS Toll-Free, North AmericaMMS Short Code, North AmericaMMS Toll-Free, North AmericaSMS Toll-Free, North AmericaMMS Toll-Free, North America

Update timeline

investigating Oct 07, 2026, 03:09 PM UTC

Twilio customers may be experiencing MMS delivery delays from Twilio to AT&T network subscribers in the United States. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.
identified Oct 07, 2026, 03:41 PM UTC

Twilio customers may be experiencing SMS and MMS delivery delays from Twilio to AT&T network subscribers in the United States. 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.
identified Oct 07, 2026, 04:44 PM UTC

Twilio customers may be experiencing SMS and MMS Delivery Receipt Delays from Twilio to AT&T network subscribers in the United States. 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.
monitoring Oct 07, 2026, 06:40 PM UTC

We have observed a recovery in SMS and MMS delivery receipts from Twilio to AT&T network subscribers in the United States and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.
monitoring Oct 07, 2026, 08:43 PM UTC

We have observed a recovery in SMS and MMS delivery receipts from Twilio to AT&T network subscribers in the United States and are monitoring service stability. We will provide another update in 4 hours or as soon as more information becomes available.
resolved Oct 07, 2026, 10:33 PM UTC

The incident has been resolved and SMS and MMS delivery receipts from Twilio to AT&T network subscribers in the United States are operating normally.

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