Silent Network Authentication (SNA) Failure Increase on AT&T in United States

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. (Affected: Verify Silent Network Auth)