ismyagentdownAll agentsAlerts
All agents  /  Claude API  /  History  /  Sep 2, 2026

Claude API outage on Sep 2, 2026: elevated errors for Claude Sonnet 5

Resolved after 26 min.

21:17 UTC to 21:44 UTC your time. Anthropic: “Elevated errors for Claude Sonnet 5.” 0 reports here during the incident.

Claude APIUpRight now Claude API is up. See live status

Reports during the incident

Every 15 minutes, 20:15 UTC to 22:45 UTC. Grey: normal. Red line: official incident.
20:15 UTC21:17 UTC21:44 UTC22:45 UTC

What people reported

0 reports during the incident

No reports in this window.

Anthropic's updates

Quoted from status.claude.com

  1. 21:17 UTC

    Investigating

    We are investigating elevated errors on requests to Claude Sonnet 5. We will provide an update as soon as possible.

  2. 21:44 UTC

    Resolved

    The issue affecting Claude Sonnet 5 has been resolved. Impact occurred from 2:05pm PT / 21:05 UTC to 2:19pm PT / 21:19 UTC.

Other Claude API incidents

Nov 826 minDegraded performance for Claude Fable 5.1Details
Oct 2741 minElevated errors for Claude Sonnet 5.5Details
Oct 2742 minElevated errors for Claude Sonnet 5.5Details
All Claude API incidents

Other agents

Claude CodeUpCodexUpCursor IDEUpGitHub CopilotUpGemini CLIUpOpenAI APIUpGitHubUp

Know the moment it's back.

Coral shows it in your Mac's notch, and tells you which agent needs you. Free.

Get Coral for Mac

Official status from Anthropic, OpenAI, GitHub, Google and Cursor, checked every minute. Reports come from people on this site. We keep no IP address and set no cookies.

AlertsRSSPrivacyMade by Coral