Anthropic incident

Elevated errors on Sonnet 5 and Haiku 4.5

Minor Resolved View vendor source →

Anthropic experienced a minor incident on July 17, 2026 affecting claude.ai and Claude API (api.anthropic.com) and 1 more component, lasting 5h 33m. The incident has been resolved; the full update timeline is below.

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.