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INCIDENT RESOLVED

Twilio

✓

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

Updated

Resolved 23:56Started 2Timeline events

Confirmed by the official source.

Executive summary

  • Summary

    Twilio confirmed verification failures affecting Silent Network Authentication API transactions on AT&T in the United States. Twilio later reported recovery and is monitoring service stability.

What users experienced

  • User impact

    Customers may experience verification failures during Silent Network Authentication API transactions. Transactions may temporarily fall back to secondary methods such as SMS OTP.

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Started

23:561 Oct 2026
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Timeline events

2View timeline →

Timeline of the incident

  1. Detection

    Confirmed by an official service source.

  2. Resolution

    The service is no longer reporting this incident as active.

What we know

  • ✓The affected functionality is Twilio Silent Network Authentication verification.
  • ✓Twilio initially reported degraded performance and an investigating status.
  • ✓Twilio later changed the component status to operational and reported recovery.
  • ✓No cause has been established in the available evidence.