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Outage in Twilio

SMS Delivery Receipt Delays from a Subset of Twilio Short Codes to Multiple Networks in United States

Resolved Minor
March 29, 2026 - Started about 9 hours ago - Lasted about 6 hours
Official incident page

Incident Report

Summary AI Generated

Twilio experienced SMS delivery receipt delays from a subset of short codes to multiple US networks for 6.1 hours, though message delivery continued to succeed. The issue affected SMS Short Code services in North America, causing customers to experience delayed confirmation receipts for their sent messages. Twilio observed recovery and fully resolved the delivery receipt delays.

Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Short Codes to network subscribers on multiple networks in the United States. 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.

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Latest Updates ( sorted recent to last )
RESOLVED about 3 hours ago - at 03/29/2026 06:46AM

We are no longer experiencing SMS delivery receipt delays from a subset of Twilio Short Codes to network subscribers on multiple networks in the United States. This incident has been resolved.

MONITORING about 4 hours ago - at 03/29/2026 06:24AM

We are observing recovery in SMS delivery receipt delays from a subset of Twilio Short Codes to network subscribers on multiple networks in the United States. We will continue monitoring the service to ensure a full recovery. We will provide another update in 2hours or as soon as more information becomes available.

INVESTIGATING about 6 hours ago - at 03/29/2026 03:48AM

We are observing recovery in SMS delivery receipt delays from a subset of Twilio Short Codes to network subscribers on multiple networks in the United States. We will continue monitoring the service to ensure a full recovery. We will provide another update in 2hours or as soon as more information becomes available.

INVESTIGATING about 8 hours ago - at 03/29/2026 01:46AM

Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Short Codes to network subscribers on multiple networks in the United States. Our team is actively investigating this issue. Message delivery may succeed, but delivery receipts may be delayed. We will provide another update in 2hours or as soon as more information becomes available.

INVESTIGATING about 9 hours ago - at 03/29/2026 12:46AM

Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Short Codes to network subscribers on multiple networks in the United States. 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.

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