Outage in Twilio
User Authentication Identity SNA Failure Increase for T-Mobile in United States
Resolved MinorIncident Report
Summary AI Generated
Twilio experienced increased failures in User Authentication Identity Silent Network Auth (SNA) specifically for T-Mobile users in the United States, affecting the Verify Silent Network Auth and Lookup SIM Swap services. The incident lasted 6 hours, during which customers likely encountered authentication failures when attempting to verify T-Mobile phone numbers. Twilio identified the root cause and restored normal service operations after monitoring the recovery.
Twilio customers may be experiencing User Authentication Identity SNA 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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Latest Updates ( sorted recent to last )
RESOLVED
about 1 month ago - at 05/09/2026 06:41AM
The incident has been resolved and User Authentication Identity SNA failure increase for T-Mobile in the United States is operating normally.
MONITORING
about 1 month ago - at 05/09/2026 03:57AM
We have observed a recovery in User Authentication Identity SNA failure increase for T-Mobile in the United States and are monitoring service stability. We will provide another update in 4 hours or as soon as more information becomes available.
MONITORING
about 1 month ago - at 05/09/2026 01:53AM
We have observed a recovery in User Authentication Identity SNA 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.
IDENTIFIED
about 1 month ago - at 05/09/2026 01:00AM
Twilio customers may be experiencing User Authentication Identity SNA failure increase for T-Mobile in the United States. 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 1 month ago - at 05/09/2026 12:46AM
Twilio customers may be experiencing User Authentication Identity SNA 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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