Twilio incident
User Authentication Identity SNA Failures for T-Mobile in United States
Twilio experienced a minor incident on April 13, 2026 affecting Verify Silent Network Auth and Lookup SIM Swap, lasting 5h 41m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Apr 13, 2026, 06:38 PM UTC
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.
- identified Apr 13, 2026, 06:58 PM UTC
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.
- identified Apr 13, 2026, 08:08 PM UTC
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 Apr 13, 2026, 09:14 PM UTC
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.
- monitoring Apr 13, 2026, 10:14 PM UTC
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.
- resolved Apr 14, 2026, 12:20 AM UTC
The incident has been resolved and User Authentication Identity for T-Mobile in the United States is operating normally.