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Outage in Twilio

User Authentication Identity SNA Missing Redirects for Three in United Kingdom

Resolved Minor
July 21, 2026 - Started about 4 hours ago - Lasted about 3 hours
Official incident page

Incident Report

Summary AI Generated

Twilio's Verify Silent Network Auth (SNA) experienced missing redirects for the Three network in the United Kingdom, lasting approximately 3.2 hours. The issue prevented proper SNA-based user authentication flows for affected customers using the Three carrier. Twilio identified the root cause, implemented a fix, and confirmed full resolution after a monitoring period.

Twilio customers may be experiencing User Authentication Identity SNA missing redirects for Three in the United Kingdom. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.
Components affected
Twilio Verify Silent Network Auth

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Latest Updates ( sorted recent to last )
RESOLVED about 1 hour ago - at 07/21/2026 07:29PM

The incident has been resolved and User Authentication Identity SNA missing redirects for Three in the United Kingdom is operating normally.

MONITORING about 3 hours ago - at 07/21/2026 05:28PM

We have observed a recovery in User Authentication Identity SNA missing redirects for Three in the United Kingdom and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.

IDENTIFIED about 4 hours ago - at 07/21/2026 04:46PM

Twilio customers may be experiencing User Authentication Identity SNA missing redirects for Three in the United Kingdom. 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 about 4 hours ago - at 07/21/2026 04:21PM

Twilio customers may be experiencing User Authentication Identity SNA missing redirects for Three in the United Kingdom. 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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