Outage in Twilio

SMS Delivery Receipt Delays From Twilio Phone Numbers to Telefonica Chile

Resolved Minor

August 25, 2026 - Started about 10 hours ago - Lasted about 8 hours
Official incident page

Incident Report

Summary AI Generated

Twilio experienced a 7.5-hour incident where SMS delivery and delivery receipts were delayed for messages sent from Twilio phone numbers to Telefonica network subscribers in Chile. While messages may have still been delivered, confirmation receipts were not returned in a timely manner. Twilio identified the root cause, implemented a fix, and fully resolved the incident on August 25, 2026.

Twilio customers may be experiencing SMS delivery receipt delays from Twilio to Telefonica network subscribers in Chile. Our team is actively investigating this issue. Message delivery may succeed, but delivery receipts may be delayed. We will 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 about 2 hours ago - at 08/26/2026 06:03AM

The incident has been resolved and SMS delivery receipts from Twilio to Telefonica network subscribers in Chile are operating normally.

MONITORING about 3 hours ago - at 08/26/2026 04:52AM

We have observed a recovery in SMS delivery receipts from Twilio Phone Numbers to Telefonica network subscribers in Chile and are monitoring service stability. We will provide another update in 4 hours or as soon as more information becomes available.

MONITORING about 5 hours ago - at 08/26/2026 02:50AM

We have observed a recovery in SMS delivery from Twilio Phone Numbers to Telefonica network subscribers in Chile and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.

IDENTIFIED about 5 hours ago - at 08/26/2026 02:46AM

Twilio customers may be experiencing SMS delivery receipt delays from Twilio Phone Numbers to Telefonica network subscribers in Chile. Our team has identified the cause, and is working to resolve the issue. Message delivery may succeed, but delivery receipts may be delayed. We will provide another update in 4 hours or as soon as more information becomes available.

IDENTIFIED about 7 hours ago - at 08/26/2026 12:44AM

Twilio customers may be experiencing SMS delivery delays from Twilio Phone Numbers to Telefonica network subscribers in Chile. Our team has identified the cause, and is working to resolve the issue. Message delivery may succeed, but delivery receipts may be delayed. We will provide another update in 2 hours or as soon as more information becomes available.

IDENTIFIED about 8 hours ago - at 08/25/2026 11:43PM

Twilio customers may be experiencing SMS delivery delays from Twilio Phone Numbers to Telefonica network subscribers in Chile. Our team has identified the cause, and is working to resolve the issue. Message delivery may succeed, but delivery receipts may be delayed. We will provide another update in 1 hour or as soon as more information becomes available.

IDENTIFIED about 9 hours ago - at 08/25/2026 10:41PM

Twilio customers may be experiencing SMS delivery receipt delays from Twilio Phone Numbers to Telefonica network subscribers in Chile. Our team has identified the cause, and is working to resolve the issue. Message delivery may succeed, but delivery receipts may be delayed. We will provide another update in 1 hour or as soon as more information becomes available.

INVESTIGATING about 10 hours ago - at 08/25/2026 10:34PM

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