Twilio incident
Silent Network Authentication (SNA) Failure Increase on AT&T in United States
Twilio experienced a minor incident on October 2, 2026 affecting Verify Silent Network Auth, lasting 8h 8m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Oct 02, 2026, 06:56 AM UTC
Twilio customers may be experiencing verification failures during API transactions for Silent Network Authentication (SNA) on AT&T in the United States. Our team is actively investigating the issue. API transactions may temporarily fail over to secondary methods like SMS OTP. We will provide another update in 1 hour or as soon as more information becomes available.
- investigating Oct 02, 2026, 08:01 AM UTC
Twilio customers may be experiencing verification failures during API transactions for Silent Network Authentication (SNA) on AT&T in the United States. Our team is actively investigating the issue. API transactions may temporarily fail over to secondary methods like SMS OTP. We will provide another update in 2 hours or as soon as more information becomes available.
- investigating Oct 02, 2026, 10:02 AM UTC
Twilio customers may be experiencing verification failures during API transactions for Silent Network Authentication (SNA) on AT&T in the United States. Our team is actively investigating the issue. API transactions may temporarily fail over to secondary methods like SMS OTP. We will provide another update in 4 hours or as soon as more information becomes available.
- monitoring Oct 02, 2026, 10:40 AM UTC
We have observed recovery in API transactions for Silent Network Authentication (SNA) on AT&T 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.
- monitoring Oct 02, 2026, 12:40 PM UTC
We have observed recovery in API transactions for Silent Network Authentication (SNA) on AT&T 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.
- resolved Oct 02, 2026, 03:04 PM UTC
The incident has been resolved and API transactions for Silent Network Authentication (SNA) on AT&T in the United States are operating normally.