Anthropic incident

Elevated errors across models

Minor Resolved View vendor source →

Anthropic experienced a minor incident on July 21, 2026 affecting claude.ai and Claude API (api.anthropic.com) and 1 more component, lasting 1h 7m. The incident has been resolved; the full update timeline is below.

Started
Jul 21, 2026, 10:11 AM UTC
Resolved
Jul 21, 2026, 11:18 AM UTC
Duration
1h 7m
Detected by Pingoru
Jul 21, 2026, 10:11 AM UTC

Affected components

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

Update timeline

  1. investigating Jul 21, 2026, 10:11 AM UTC

    We are currently investigating issues with Claude Haiku 4.5 and Opus 4.8.

  2. monitoring Jul 21, 2026, 11:10 AM UTC

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

  3. resolved Jul 21, 2026, 11:18 AM UTC

    This incident has been resolved.