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Claude authentication outage reported
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Claude authentication outage reported

The gist

Anthropic said it is investigating elevated error rates across Claude.ai, Claude Code and the Claude API.
The authentication failures locked users out worldwide, hitting chat, apps and developer tools.

How it unfolded

  1. Sep 22, 2026Statusfield said the last break was Sept. 22.
  2. Sep 28, 2026One U.S. user reported a classifier blocking a coding agent.
  3. Sep 29, 2026 , just after 10 a.m. ESTThe AI program had more than 1,400 reported problems on Downdetector; the outage was also trending on Google.

Sources

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