Outage in Twilio

SMS Delivery Delays and Failures To and From AT&T Network in Mexico

Resolved Minor

September 03, 2025 - Started 7 months ago - Lasted about 6 hours
Official incident page

Incident Report

Our monitoring systems have detected a potential issue with SMS delivery delays to and from AT&T Network in New Mexico. Our engineering team has been alerted and is actively investigating. We will update as soon as we have more information.

Components affected

Twilio SMS, Latin America

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Latest Updates ( sorted recent to last )

RESOLVED 7 months ago - at 09/04/2025 03:55AM

We are no longer experiencing SMS delivery delays and failures when sending messages to AT&T Network in Mexico. This incident has been resolved.

MONITORING 7 months ago - at 09/04/2025 01:55AM

We are still observing recovery in SMS delivery delays and failures when sending messages to AT&T Network in Mexico. We will continue monitoring the service to ensure a full recovery. We will provide another update in 2 hours or as soon as more information becomes available.

MONITORING 7 months ago - at 09/03/2025 11:55PM

We are observing recovery in SMS delivery delays and failures when sending messages to AT&T Network in Mexico. We will continue monitoring the service to ensure a full recovery. We will provide another update in 2 hours or as soon as more information becomes available.

INVESTIGATING 7 months ago - at 09/03/2025 10:53PM

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

INVESTIGATING 7 months ago - at 09/03/2025 10:06PM

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

INVESTIGATING 7 months ago - at 09/03/2025 09:49PM

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