Anthropic incident

Elevated errors affecting the Google Calendar connector

Resolved after 3 hours 46 minutes, affecting claude.ai and Claude Code and 1 more, on October 28, 2026.

resolved Oct 28, 2026, 08:05 PM UTC

The issue affecting the Google Calendar connector on claude.ai, Claude Code, and Claude Cowork has been resolved. Impact occurred from 04:07 PT / 11:07 UTC on October 26 to 11:52 PT / 18:52 UTC on October 28.

Started
Oct 28, 2026, 04:19 PM UTC
Resolved
Oct 28, 2026, 08:05 PM UTC
Duration
3h 46m
Detected by Pingoru
Oct 28, 2026, 04:19 PM UTC

Affected components

claude.aiClaude CodeClaude Cowork

Update timeline

  1. investigating Oct 28, 2026, 04:19 PM UTC

    We are investigating elevated errors affecting the Google Calendar connector. Some requests to list or search calendar events have been failing since October 26. We will provide an update as soon as possible.

  2. investigating Oct 28, 2026, 05:59 PM UTC

    We are continuing to investigate elevated errors affecting the Google Calendar connector, and are working with our upstream provider. We will provide another update as soon as we have more information.

  3. monitoring Oct 28, 2026, 07:47 PM UTC

    We are seeing recovery for errors affecting the Google Calendar connector, and error rates have returned to normal levels. We are continuing to monitor with our upstream provider.

  4. resolved Oct 28, 2026, 08:05 PM UTC

    The issue affecting the Google Calendar connector on claude.ai, Claude Code, and Claude Cowork has been resolved. Impact occurred from 04:07 PT / 11:07 UTC on October 26 to 11:52 PT / 18:52 UTC on October 28.

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