Twilio incident
SMS Delivery Failures from Twilio Phone Numbers to AT&T Mexico
Twilio experienced a minor incident on May 14, 2026 affecting SMS, Latin America, lasting 9m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating May 14, 2026, 09:07 PM UTC
Twilio customers may be experiencing SMS delivery failures from Twilio Phone Numbers to AT&T network subscribers in Mexico. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.
- identified May 14, 2026, 09:10 PM UTC
Twilio customers may be experiencing SMS delivery failures from Twilio Phone Numbers to AT&T network subscribers in Mexico. 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 May 14, 2026, 09:16 PM UTC
We have observed a recovery in SMS delivery from Twilio Phone Numbers to AT&T 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.
- resolved May 14, 2026, 09:16 PM UTC
The incident has been resolved and SMS delivery from Twilio Phone Numbers to AT&T network subscribers in Mexico is operating normally.