SMS and MMS Delivery Delays and Failures Between Twilio and AT&T in United States

Incident Report for Twilio

Resolved

MMS delivery receipts in the United States is now operating normally. This incident has been resolved.

Posted Apr 18, 2026 - 07:36 PDT

Monitoring

MMS delivery receipts in the United States is now operating normally. We will continue to monitor for system stability. We'll provide another update in 2 hours or as soon as more information becomes available.

Posted Apr 18, 2026 - 05:34 PDT

Update

We continue to experience issues for MMS delivery receipts. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 8 hours or as soon as more information becomes available.

Posted Apr 18, 2026 - 03:46 PDT

Update

Twilio customers are no longer experiencing SMS and MMS delivery delays and failures between Twilio and AT&T network subscribers in the United States. However, we continue to experience issues for MMS delivery receipts. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 4 hours or as soon as more information becomes available

Posted Apr 17, 2026 - 23:44 PDT

Update

Twilio customers may be experiencing SMS and MMS delivery delays and failures between Twilio and 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 4 hours or as soon as more information becomes available.

Posted Apr 17, 2026 - 22:24 PDT

Update

We are continuing to work on a fix for this issue.

Posted Apr 17, 2026 - 20:58 PDT

Update

Twilio customers may be experiencing SMS and MMS delivery delays between Twilio and 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.

Posted Apr 17, 2026 - 20:20 PDT

Identified

Twilio customers may be experiencing SMS and MMS delivery delays between Twilio and 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.

Posted Apr 17, 2026 - 19:19 PDT

Investigating

Twilio customers may be experiencing SMS and MMS delivery delays and failures between Twilio and 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.

Posted Apr 17, 2026 - 18:58 PDT

This incident affected: CARRIER NETWORK (MMS Long Code, North America).