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INCIDENT IN PROGRESS
Twilio
✓Silent Network Authentication (SNA) Failure Increase on AT&T in United States
Updated
Confirmed disruption
23:56Started
1Timeline events
Confirmed by the official source.
Executive summary
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Summary
Twilio has confirmed a disruption affecting Silent Network Authentication verification transactions on AT&T in the United States. The issue is under investigation, and affected transactions may fail over to SMS OTP.
What users experienced
- User impact
Customers may experience verification failures during API transactions using Silent Network Authentication. Transactions may temporarily fail over to secondary methods such as SMS OTP.
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Started
23:561 Oct 2026Timeline of the incident
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Detection
Confirmed by an official service source.
What we know
- ✓The affected capability is Verify Silent Network Auth.
- ✓Twilio classified the impact as minor and the component as experiencing degraded performance.
- ✓The incident began on October 1, 2026, and no resolution has been recorded.