Outage in Ciptex

Twilio - SMS Delivery Failures on AT&T Network

Resolved Minor
December 11, 2025 - Started 2 days ago - Lasted about 4 hours
Official incident page

Incident Report

We have detected potential service disruption through our monitoring systems and are actively investigating. A detailed assessment of the impact and affected services will be provided within the next 30 minutes.

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Latest Updates ( sorted recent to last )
RESOLVED 1 day ago - at 12/11/2025 11:46AM

Following comprehensive monitoring, we can confirm that the incident has been fully resolved and all services have returned to normal operation.

MONITORING 1 day ago - at 12/11/2025 11:25AM

A workaround is available for the SMS delivery failures sending to United States AT&T Network. Twilio engineers are monitoring the issue to ensure it is resolved. We expect to provide another update in 2 hours or as soon as more information becomes available.

INVESTIGATING 2 days ago - at 12/11/2025 08:40AM

We are continuing to investigate this issue.

INVESTIGATING 2 days ago - at 12/11/2025 08:35AM

We have detected potential service disruption through our monitoring systems and are actively investigating. A detailed assessment of the impact and affected services will be provided within the next 30 minutes.

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