Twilio incident
SMS and MMS Delivery Delays and Delivery Receipt Delays between Twilio and AT&T in the United States
Twilio experienced a minor incident on October 7, 2026 affecting SMS Long Code, North America and MMS Long Code, North America and 1 more component, lasting 5h 56m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Oct 07, 2026, 06:19 AM UTC
Twilio customers may be experiencing SMS delivery delays 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.
- investigating Oct 07, 2026, 06:53 AM UTC
Twilio customers may be experiencing SMS and MMS delivery delays and delivery 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.
- investigating Oct 07, 2026, 07:22 AM UTC
Twilio customers may be experiencing SMS delivery delays and delivery 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 2 hours or as soon as more information becomes available.
- identified Oct 07, 2026, 09:10 AM UTC
Twilio customers may be experiencing SMS and MMS delivery delays and delivery receipt delays between Twilio and AT&T network 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.
- monitoring Oct 07, 2026, 10:08 AM UTC
We have observed a recovery in SMS and MMS delivery between Twilio and 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.
- resolved Oct 07, 2026, 12:16 PM UTC
The incident has been resolved and SMS and MMS delivery between Twilio and AT&T network subscribers in the United States are operating normally.