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.