Anthropic incident

Elevated errors on Claude Haiku 4.5

Minor Resolved View vendor source →

Anthropic experienced a minor incident on May 20, 2026 affecting claude.ai and Claude Console (platform.claude.com) and 1 more component, lasting 35m. The incident has been resolved; the full update timeline is below.

Started
May 20, 2026, 08:14 AM UTC
Resolved
May 20, 2026, 08:49 AM UTC
Duration
35m
Detected by Pingoru
May 20, 2026, 08:14 AM UTC

Affected components

claude.aiClaude Console (platform.claude.com)Claude API (api.anthropic.com)Claude CodeClaude Cowork

Update timeline

  1. investigating May 20, 2026, 08:14 AM UTC

    We are currently investigating this issue.

  2. monitoring May 20, 2026, 08:31 AM UTC

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

  3. resolved May 20, 2026, 08:49 AM UTC

    This incident has been resolved.