Anthropic has confirmed a worldwide outage affecting Claude and its API, with users receiving 529 Overloaded errors. The incident highlights the fragility of AI services that millions rely on for daily work.
The issue has been resolved.
Jul 29, 8:17 PM ETAs of 21:38 UTC on July 29, Anthropic's status page noted ongoing work to resolve elevated errors but reported seeing recovery across most models.
Anthropic did not disclose the underlying cause of the outage or provide a recovery timeline.
The outage causes requests to fail with a "529 Overloaded" message in Claude and in tools that rely on its API.
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