Anthropic incident

Elevated errors on Claude Opus 4.5

Minor Vendor's status page →

Resolved after 1 hour 39 minutes, affecting claude.ai and Claude API (api.anthropic.com) and 1 more, on May 4, 2026.

monitoring May 04, 2026, 09:23 AM UTC

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

Started
May 04, 2026, 08:09 AM UTC
Resolved
May 04, 2026, 09:49 AM UTC
Duration
1h 39m
Detected by Pingoru
May 04, 2026, 08:09 AM UTC

Affected components

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

Update timeline

  1. investigating May 04, 2026, 08:09 AM UTC

    We are currently investigating this issue.

  2. investigating May 04, 2026, 08:09 AM UTC

    We are continuing to investigate this issue.

  3. identified May 04, 2026, 08:19 AM UTC

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

  4. identified May 04, 2026, 09:14 AM UTC

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

  5. monitoring May 04, 2026, 09:23 AM UTC

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

  6. resolved May 04, 2026, 09:49 AM UTC

    This incident has been resolved.

Your product runs on more than Anthropic

Add the vendors you depend on and get one message when any of them reports trouble. Free for 3 vendors, no card.

Cloudflare Amazon Web Services Twilio Stripe Slack Okta Figma GitHub Datadog Vercel OpenAI Google Cloud
Add your stack →