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Outage in Twilio

User Authentication Identity Gateway API Failure Increase for T-Mobile in United States

Resolved Minor
April 15, 2026 - Started about 5 hours ago - Lasted about 4 hours
Official incident page

Incident Report

Summary AI Generated

Twilio experienced increased failures in their User Authentication Identity Gateway API specifically affecting T-Mobile users in the United States, impacting the Lookup SIM Swap service. The incident lasted 4.3 hours before service recovery was observed and normal operations were restored.

Twilio customers may be experiencing User Authentication Identity Gateway API failure increase for T-Mobile in the United States. 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 Lookup SIM Swap

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Latest Updates ( sorted recent to last )
RESOLVED about 1 hour ago - at 04/15/2026 11:14AM

The incident has been resolved and User Authentication Identity Gateway API failure increase for T-Mobile in the United States is operating normally.

MONITORING about 2 hours ago - at 04/15/2026 10:09AM

We have observed a recovery in User Authentication Identity Gateway API failure increase for T-Mobile in the United States and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.

INVESTIGATING about 4 hours ago - at 04/15/2026 08:05AM

Twilio customers may be experiencing User Authentication Identity Gateway API failure increase for T-Mobile in the United States. Our team is actively investigating this issue. We will provide another update in 2 hours or as soon as more information becomes available.

INVESTIGATING about 5 hours ago - at 04/15/2026 06:59AM

Twilio customers may be experiencing User Authentication Identity Gateway API failure increase for T-Mobile in the United States. 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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