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Anthropic / History

The Anthropic outage of September 10, 2026, as measured from 10 regions

Single-region outage, 44 min long, from Sep 10, 2026, 1:35 AM UTC to Sep 10, 2026, 2:19 AM UTC.

Region-by-region timeline

When each monitored region started failing and when it recovered, per RealUptime's own probes. A region not listed here never failed during this incident.

South America44 min
Failing from Sep 10, 2026, 1:35 AM UTC, recovered Sep 10, 2026, 2:19 AM UTC

How this was measured

This record comes only from RealUptime's own scheduled probes against Anthropic's public, unauthenticated endpoints, run from 10 named regions. It is never built from user reports or from Anthropic's own status page, and it does not change once this incident closes: this page is the permanent record, not a live view.

See Anthropic's full evidence record or read the methodology.