Anthropic Experiences Global Claude Authentication Outage
Anthropic's Claude AI is experiencing a global outage on Monday, March 2, 2026, with users reporting login failures and service blackouts beginning around 12:00 UTC. Downdetector recorded nearly 2,000 active complaints at peak—42% citing web chat failures and 34% mobile app issues—while Anthropic flagged elevated errors at 11:49 UTC and identified frontend/authentication failures by 12:21 UTC. The Claude API remains operational, but Console and developer tools face elevated errors, disrupting professional workflows.
Key Points
- 1Report shows nearly 2,000 user outage complaints from about 12:00 UTC, 42% cite web failures
- 2Investigations attribute failures to login and authentication infrastructure, not the Claude API or models
- 3Developers using api.anthropic.com likely unaffected; web users, Console, and Claude Code face workflow disruptions
Scoring Rationale
Officially confirmed outage with broad user impact, but limited novelty because it's an operational incident rather than new capability.
Sources
Public references used for this report.
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