Chartnote incident

MFA SMS Delivery Interruption

Resolved after 17 hours 21 minutes, affecting Website and Mobile App (iOS) and 1 more, on January 20, 2026.

identified Jan 21, 2026, 09:50 AM UTC

We are continuing to work on a fix for this issue.

Started
Jan 20, 2026, 06:55 PM UTC
Resolved
Jan 21, 2026, 12:16 PM UTC
Duration
17h 21m
Detected by Pingoru
Jan 20, 2026, 06:55 PM UTC

Affected components

WebsiteMobile App (iOS)Mobile App (android)Chrome Extension

Update timeline

  1. identified Jan 20, 2026, 06:55 PM UTC

    We identified an issue with SMS delivery for MFA and have temporarily disabled SMS-based MFA while we work to restore service.

  2. identified Jan 21, 2026, 09:50 AM UTC

    We are continuing to work on a fix for this issue.

  3. resolved Jan 21, 2026, 12:16 PM UTC

    SMS-based MFA has been restored and is operating normally.

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