Elevated errors on claude.ai, Claude Code, and platform.claude.com

Summary

The provider says it is investigating an issue with users authenticating to Claude.ai and Claude Code, first reported at 09:58 UTC on 2026-11-13. At 11:05 UTC it said a fix has been deployed and it is monitoring for recovery.

Written by anthropic/claude-haiku-5.5 from Anthropic's own updates.

What to do

• Check whether you use Anthropic claude.ai, Claude Console (platform.claude.com), Claude Code, Claude Cowork. Check your stack

  Drop a package.json, lockfile, Terraform or a list of domains at down.guide to see every provider you depend on.

• Confirm your retries, queues and scheduled jobs caught up after the 2h it lasted.

  Anything that failed between 2026-11-13 09:58 UTC and 2026-11-13 11:58 UTC may need a replay.

• Subscribe to Anthropic's feed to hear about the next one first. RSS feed

  https://down.guide/feed?provider=anthropic works in Slack (/feed subscribe), Discord feed bots and any RSS reader.

Updates from Anthropic 3

1. investigatingNov 13, 2026, 9:58 AM UTC

   We are investigating an issue with users authenticating to Claude.ai and Claude Code. We will provide an update as soon as possible.

   provider

2. monitoringNov 13, 2026, 11:05 AM UTC

   A fix has been deployed for the issue affecting Claude services and we are monitoring for recovery.

   provider

3. resolvedNov 13, 2026, 11:58 AM UTC

   The issue affecting claude.ai and Claude Cowork has been resolved.

   provider

Corrections

None so far.

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