Anthropic incident
Claude.ai unavailable and elevated errors on the API
Resolved after 1 hour 33 minutes, affecting claude.ai and Claude Console (platform.claude.com) and 1 more, on April 28, 2026.
We are seeing success rates across all services return to normal, and are monitoring closely to prevent any further issues. Impact occurred from 17:34–18:52 UTC.
Affected components
Update timeline
- investigating Apr 28, 2026, 05:41 PM UTC
We are investigating an issue preventing users from reaching Claude.ai, and will provide an update as soon as possible.
- identified Apr 28, 2026, 05:51 PM UTC
We have identified an issue resulting in elevated errors on the Anthropic API, as well as issues accessing Claude.ai, including log-in paths for Claude Code. We are working to resolve these issues, and will provide an update as soon as possible.
- identified Apr 28, 2026, 06:33 PM UTC
We are continuing to work to resolve the issues preventing users from accessing Claude.ai, and causing elevated authentication errors for requests to the API and Claude Code.
- monitoring Apr 28, 2026, 06:59 PM UTC
We are seeing success rates across all services return to normal, and are monitoring closely to prevent any further issues. Impact occurred from 17:34–18:52 UTC.
- resolved Apr 28, 2026, 07:15 PM UTC
This incident has been resolved.
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