Anthropic incident

Elevated errors on Claude.ai

Major Resolved View vendor source →

Anthropic experienced a major incident on March 18, 2026 affecting claude.ai and Claude Code, lasting 48m. The incident has been resolved; the full update timeline is below.

Started
Mar 18, 2026, 03:16 PM UTC
Resolved
Mar 18, 2026, 04:05 PM UTC
Duration
48m
Detected by Pingoru
Mar 18, 2026, 03:16 PM UTC

Affected components

claude.aiClaude Code

Update timeline

  1. investigating Mar 18, 2026, 03:16 PM UTC

    We are currently investigating this issue.

  2. investigating Mar 18, 2026, 03:19 PM UTC

    Claude Code login/logout actions are also affected by this outage.

  3. monitoring Mar 18, 2026, 03:27 PM UTC

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

  4. resolved Mar 18, 2026, 04:05 PM UTC

    This incident has been resolved.