SendGrid: Silent Network Authentication (SNA) Failure Inc...

Name: SendGrid: Silent Network Authentication (SNA) Failure Increase on AT&T in United States
Start: 2026-10-20T05:28:34.767Z
End: 2026-10-20T05:39:48.367Z

Status: investigating Twilio customers may be experiencing verification failures during API transactions for Silent Network Authentication (SNA) on AT&T in t...