Anthropic incident

Elevated errors on Sonnet 5 and Haiku 4.5

Resolved after 5 hours 33 minutes, affecting claude.ai and Claude API (api.anthropic.com) and 1 more, on July 17, 2026.

identified Jul 17, 2026, 07:10 AM UTC

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

Started
Jul 17, 2026, 06:47 AM UTC
Resolved
Jul 17, 2026, 12:21 PM UTC
Duration
5h 33m
Detected by Pingoru
Jul 17, 2026, 06:47 AM UTC

Affected components

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

Update timeline

  1. investigating Jul 17, 2026, 06:47 AM UTC

    We are currently investigating this issue.

  2. monitoring Jul 17, 2026, 07:03 AM UTC

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

  3. identified Jul 17, 2026, 07:10 AM UTC

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

  4. resolved Jul 17, 2026, 12:21 PM 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.

Add your stack →