Anthropic incident

Elevated errors on Claude Opus 4.5 and Sonnet 4.5

Minor Resolved View vendor source →

Anthropic experienced a minor incident on May 4, 2026 affecting claude.ai and Claude API (api.anthropic.com) and 1 more component, lasting 46m. The incident has been resolved; the full update timeline is below.

Started
May 04, 2026, 01:59 PM UTC
Resolved
May 04, 2026, 02:45 PM UTC
Duration
46m
Detected by Pingoru
May 04, 2026, 01:59 PM UTC

Affected components

claude.aiClaude API (api.anthropic.com)Claude Code

Update timeline

  1. investigating May 04, 2026, 01:59 PM UTC

    We are currently investigating this issue.

  2. identified May 04, 2026, 02:08 PM UTC

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

  3. monitoring May 04, 2026, 02:27 PM UTC

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

  4. resolved May 04, 2026, 02:45 PM UTC

    This incident has been resolved.