Claude.ai unavailable and elevated errors on the API

Claude.ai 服务中断及 API 错误率升高

Incident Report for Claude

Claude 事件报告

Resolved This incident has been resolved. Posted Apr 28, 2026 - 19:15 UTC

已解决 该事件已得到解决。 发布于 2026 年 4 月 28 日 - 19:15 UTC

Monitoring 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. Posted Apr 28, 2026 - 18:59 UTC

监控中 我们观察到所有服务的成功率已恢复正常，目前正在密切监控以防止出现进一步的问题。影响发生于 UTC 时间 17:34 至 18:52。 发布于 2026 年 4 月 28 日 - 18:59 UTC

Update 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. Posted Apr 28, 2026 - 18:33 UTC

更新 我们正在继续努力解决导致用户无法访问 Claude.ai，以及导致 API 和 Claude Code 请求出现身份验证错误率升高的问题。 发布于 2026 年 4 月 28 日 - 18:33 UTC

Identified 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. Posted Apr 28, 2026 - 17:51 UTC

已定位 我们已定位到一个导致 Anthropic API 错误率升高的问题，以及访问 Claude.ai（包括 Claude Code 的登录路径）时出现的问题。我们正在努力解决这些问题，并将尽快提供更新。 发布于 2026 年 4 月 28 日 - 17:51 UTC

Investigating We are investigating an issue preventing users from reaching Claude.ai, and will provide an update as soon as possible. Posted Apr 28, 2026 - 17:41 UTC

调查中 我们正在调查一个导致用户无法访问 Claude.ai 的问题，并将尽快提供更新。 发布于 2026 年 4 月 28 日 - 17:41 UTC

This incident affected: claude.ai, Claude Console (platform.claude.com), Claude API (api.anthropic.com), Claude Code, Claude Cowork, and Claude for Government.

受此事件影响的服务包括： claude.ai、Claude Console (platform.claude.com)、Claude API (api.anthropic.com)、Claude Code、Claude Cowork 以及 Claude for Government。