Claude AI Goes Down, Disrupting API and Developer Workflows

Anthropic ’s Claude AI is experiencing a major service disruption, affecting users across its web platform, mobile and desktop applications, Claude Code, Claude Cowork and its API. The outage began on September 29, 2026, with users reporting loading errors, failed requests and unexpected logouts when attempting to access Claude. Anthropic acknowledged the incident on its status page and confirmed that its API endpoints were also affected.