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/topics/claude-ai-api-outages-and-errors
Claude.ai API outages and errors
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Anthropic's Claude.ai web interface and API experienced multiple outages and elevated error rates between April 28–30, 2026, affecting both the main service and Claude Design; the issues were subsequently resolved.
- Claude.ai and API unavailable on April 30, 2026, later fixed
- Elevated API errors reported on April 28, 2026
- Claude Design service returned 404 errors on April 28, 2026
- Outages spanned both web interface and API infrastructure