Outage in Twilio
User Authentication Identity SNA Failures for T-Mobile in United States
Resolved MinorIncident Report
Summary AI Generated
Twilio experienced User Authentication Identity API failures specifically affecting T-Mobile customers in the United States for 5.7 hours. The incident impacted Verify Silent Network Auth and Lookup SIM Swap services, preventing proper authentication for T-Mobile users. Twilio identified the root cause and implemented a fix, with service returning to normal operation after a monitoring period.
Twilio customers may be experiencing User Authentication Identity API errors 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
4 days ago - at 04/14/2026 12:20AM
The incident has been resolved and User Authentication Identity for T-Mobile in the United States is operating normally.
MONITORING
4 days ago - at 04/13/2026 10:14PM
We have observed a recovery in User Authentication Identity 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
4 days ago - at 04/13/2026 09:14PM
Twilio customers may be experiencing User Authentication Identity SNA failures 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 2 hours or as soon as more information becomes available.
IDENTIFIED
4 days ago - at 04/13/2026 08:08PM
Twilio customers may be experiencing User Authentication Identity SNA failures 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.
IDENTIFIED
4 days ago - at 04/13/2026 06:58PM
Twilio customers may be experiencing User Authentication Identity API errors 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
4 days ago - at 04/13/2026 06:38PM
Twilio customers may be experiencing User Authentication Identity API errors 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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