Anthropic incident

Elevated errors on Claude Opus 5

Minor Resolved View vendor source →

Anthropic experienced a minor incident on July 27, 2026 affecting claude.ai and Claude API (api.anthropic.com) and 1 more component, lasting 48m. The incident has been resolved; the full update timeline is below.

Started
Jul 27, 2026, 08:16 AM UTC
Resolved
Jul 27, 2026, 09:05 AM UTC
Duration
48m
Detected by Pingoru
Jul 27, 2026, 08:16 AM UTC

Affected components

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

Update timeline

  1. investigating Jul 27, 2026, 08:16 AM UTC

    We are currently investigating this issue.

  2. resolved Jul 27, 2026, 09:05 AM UTC

    As of 2:03 PST / 9:03 UTC the errors have returned to baseline.