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

Resolved incidentMinor

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Timeline

Incident updates

Every update on the official status source, oldest to newest, exactly as it appeared there.

  1. Investigating

    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.

  2. Identified

    Twilio customers may be experiencing verification failures during API transactions for Silent Network Authentication (SNA) on AT&T in the United States. API transactions may temporarily fail over to secondary methods like SMS OTP. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 1 hour or as soon as more information becomes available.

  3. Monitoring

    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.

  4. Monitoring

    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.

  5. Resolved

    The incident has been resolved and API transactions for Silent Network Authentication (SNA) on AT&T in the United States are operating normally.

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