Anthropic incident

Elevated errors for uploading files

Minor Resolved View vendor source →

Anthropic experienced a minor incident on April 20, 2026 affecting claude.ai and Claude API (api.anthropic.com), lasting 50m. The incident has been resolved; the full update timeline is below.

Started
Apr 20, 2026, 01:31 PM UTC
Resolved
Apr 20, 2026, 02:21 PM UTC
Duration
50m
Detected by Pingoru
Apr 20, 2026, 01:31 PM UTC

Affected components

claude.aiClaude API (api.anthropic.com)

Update timeline

  1. investigating Apr 20, 2026, 01:31 PM UTC

    We are currently investigating an issue related to uploading files on Claude.ai and Claude API. Some users will see their uploads failing and they are advised to retry.

  2. resolved Apr 20, 2026, 02:21 PM UTC

    This incident has been resolved.