Outage in Anthropic

Elevated errors on Claude.ai (including login issues for Claude Code)

Resolved Minor

March 11, 2026 - Started 2 days ago - Lasted about 3 hours
Official incident page

Incident Report

Summary AI Generated

Anthropic's Claude.ai service experienced elevated errors and login issues for 2.8 hours, with Claude Code also affected by login/logout problems. Users reported constant network errors and slower than usual performance during the incident. The issue was identified and resolved with errors returning to baseline levels, while the Claude API remained unaffected throughout the incident.

We are currently investigating this issue.

Components affected

Anthropic claude.ai

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Latest Updates ( sorted recent to last )

RESOLVED 2 days ago - at 03/11/2026 05:28PM

The incident is now resolved. To recap we had an incident starting at 07:17 PT / 14:17 UTC and the errors returned to baseline at 10:11 PT / 17:11 UTC.

MONITORING 2 days ago - at 03/11/2026 05:22PM

A fix has been implemented and we are monitoring the results.

IDENTIFIED 2 days ago - at 03/11/2026 05:22PM

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

IDENTIFIED 2 days ago - at 03/11/2026 05:19PM

The issue has been identified and a fix is being implemented.

INVESTIGATING 2 days ago - at 03/11/2026 03:44PM

We're currently investigating issues with Claude Code and Claude.ai. Some users may be unable to log in, and others may experience slower than usual performance. The Claude API is not affected.

INVESTIGATING 2 days ago - at 03/11/2026 03:27PM

We are continuing to investigate this issue.

INVESTIGATING 2 days ago - at 03/11/2026 02:47PM

This is affecting the login/logout actions in Claude Code as well.

INVESTIGATING 2 days ago - at 03/11/2026 02:44PM

We are currently investigating this issue.

Latest Anthropic outages

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Filesystem connector missing from Claude Desktop - 7 days ago

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