Anthropic incident

Elevated errors on Claude.ai

Resolved after 44 minutes, affecting claude.ai, on May 21, 2026.

monitoring May 21, 2026, 08:42 PM UTC

We have applied a fix and success rates for requests on Claude.ai have returned to normal. We are monitoring closely to ensure no further issues.

Started
May 21, 2026, 08:24 PM UTC
Resolved
May 21, 2026, 09:08 PM UTC
Duration
44m
Detected by Pingoru
May 21, 2026, 08:24 PM UTC

Affected components

claude.ai

Update timeline

  1. investigating May 21, 2026, 08:24 PM UTC

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

  2. monitoring May 21, 2026, 08:42 PM UTC

    We have applied a fix and success rates for requests on Claude.ai have returned to normal. We are monitoring closely to ensure no further issues.

  3. resolved May 21, 2026, 09:08 PM UTC

    This incident has been resolved.

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