Outage in Zipwhip

SMS Delivery Delays and Failures Between a Subset of Twilio Short Codes and Telcel in Mexico

Resolved Minor

April 30, 2026 - Started 1 day ago - Lasted about 8 hours
Official incident page

Incident Report

Twilio customers may be experiencing SMS delivery delays and failures between a subset of Twilio Short Codes and Telcel 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.

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Latest Updates ( sorted recent to last )

RESOLVED about 18 hours ago - at 05/01/2026 12:19AM

The incident has been resolved and SMS delivery between Twilio Short Codes and Telcel network subscribers in Mexico is operating normally.

MONITORING about 20 hours ago - at 04/30/2026 10:28PM

We have observed a recovery in SMS delivery between a subset of Twilio Short Codes and Telcel 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.

IDENTIFIED about 22 hours ago - at 04/30/2026 08:13PM

Twilio customers may be experiencing SMS delivery delays and failures between a subset of Twilio Short Codes and Telcel network subscribers in Mexico. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 4 hours or as soon as more information becomes available.

IDENTIFIED about 24 hours ago - at 04/30/2026 06:12PM

Twilio customers may be experiencing SMS delivery delays and failures between a subset of Twilio Short Codes and Telcel network subscribers in Mexico. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 2 hours or as soon as more information becomes available.

IDENTIFIED 1 day ago - at 04/30/2026 05:12PM

Twilio customers may be experiencing SMS delivery delays and failures between Twilio Short Codes and Telcel 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.

INVESTIGATING 1 day ago - at 04/30/2026 04:59PM

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