Anthropic identified elevated errors on the Anthropic API and issues preventing access to Claude.ai, including log-in paths for Claude Code, beginning at 17:41 UTC on April 28, 2026.
The incident affected claude.ai, Claude Console (platform.claude.com), Claude API (api.anthropic.com), Claude Code, Claude Cowork, and Claude for Government.
Success rates across all services returned to normal; the impact occurred from 17:34–18:52 UTC.
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