Changes / Claude / Service disruption on Claude services
Claude: Critical incident: Service disruption on Claude services
Summary
Claude reported a critical disruption involving authentication issues on claude.ai, Claude Code, and Claude Cowork, plus degraded performance across those services, Claude Console, and the Claude API. It started at 2026-08-16 21:58 UTC and was resolved at 2026-08-16 22:34 UTC, lasting 35 min; a fix was deployed at 22:22 UTC.
Machine-written from the diff below (Sol; type: incident outage). Check the diff before relying on it.
What changed
Before: not present
After: Service disruption on Claude services
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After: critical
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After: resolved
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After: 2026-08-16 21:58 UTC
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After: 2026-08-16 22:34 UTC
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After: claude.ai, Claude API (api.anthropic.com), Claude Code, Claude Console (platform.claude.com), Claude Cowork
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After: We are investigating an issue with users authenticating to claude.ai, Claude Code, and Claude Cowork. We will provide an update as soon as possible.
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After: We are investigating reports of degraded performance affecting claude.ai, platform.claude.com, the Claude API, Claude Code, and Claude Cowork. We will provide an update as soon as possible.
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After: A fix has been deployed for the issue affecting claude.ai, platform.claude.com, the Claude API, Claude Code, and Claude Cowork and we are monitoring for recovery.
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After: The issue affecting claude.ai, platform.claude.com, the Claude API, Claude Code, and Claude Cowork has been resolved.
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History of this incident
| When (UTC) | Change | Kind |
|---|---|---|
| Critical incident: Service disruption on Claude services (this change) Claude reported a critical disruption involving authentication issues on claude.ai, Claude Code, and Claude Cowork, plus degraded performance across those services, Claude Console, and the Claude API. It started at 2026-08-16 21:58 UTC and was resolved at 2026-08-16 22:34 UTC, lasting 35 min; a fix was deployed at 22:22 UTC. | Major incident |