Outage in Twilio

SMS Delivery Failures to and From AT&T Network in Mexico

Resolved Minor
October 17, 2025 - Started 1 day ago - Lasted about 7 hours
Official incident page

Incident Report

We are experiencing SMS delivery failures when sending to and receiving from AT&T network in Mexico. Our engineers are working with our carrier partner to resolve the issue. We expect to provide another update in 1 hour or as soon as more information becomes available.
Components affected
Twilio SMS, Latin America

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Latest Updates ( sorted recent to last )
RESOLVED 1 day ago - at 10/18/2025 01:23AM

We are no longer experiencing SMS delivery failures when sending to and receiving from AT&T network in Mexico. This incident has been resolved.

MONITORING 1 day ago - at 10/17/2025 11:28PM

We are observing successful SMS deliveries when sending to and receiving from AT&T network in Mexico. We will continue to monitor to ensure full service recovery. We expect to provide another update in 2 hours or as soon as more information becomes available.

INVESTIGATING 1 day ago - at 10/17/2025 08:58PM

We are continuing to experience SMS delivery failures when sending to and receiving from AT&T network in Mexico. Our engineers are working with our carrier partner to resolve the issue. We expect to provide another update in 4 hours or as soon as more information becomes available.

INVESTIGATING 1 day ago - at 10/17/2025 06:59PM

We are still experiencing SMS delivery failures when sending to and receiving from AT&T network in Mexico. Our engineers are working with our carrier partner to resolve the issue. We expect to provide another update in 2 hours or as soon as more information becomes available.

INVESTIGATING 1 day ago - at 10/17/2025 06:23PM

We are continuing our investigation on the SMS delivery failures when sending to and receiving from AT&T network in Mexico. We will provide another update as soon as more information becomes available.

INVESTIGATING 1 day ago - at 10/17/2025 06:07PM

We are experiencing SMS delivery failures when sending to and receiving from AT&T network in Mexico. Our engineers are working with our carrier partner to resolve the issue. We expect to provide another update in 1 hour or as soon as more information becomes available.

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