Elevated errors on Claude.ai (including login issues for Claude Code)

What to do

• Check whether you use Anthropic claude.ai, Claude Code. Check your stack

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

• Confirm your retries, queues and scheduled jobs caught up after the 2h 44m it lasted.

  Anything that failed between 2026-03-11 14:44 UTC and 2026-03-11 17:28 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 8

1. investigatingMar 11, 2026, 2:44 PM UTC

   We are currently investigating this issue.

   provider

2. investigatingMar 11, 2026, 2:47 PM UTC

   This is affecting the login/logout actions in Claude Code as well.

   provider

3. investigatingMar 11, 2026, 3:27 PM UTC

   We are continuing to investigate this issue.

   provider

4. investigatingMar 11, 2026, 3:44 PM UTC

   We're currently investigating issues with Claude Code and Claude.ai. Some users may be unable to log in, and others may experience slower than usual performance. The Claude API is not affected.

   provider

5. identifiedMar 11, 2026, 5:19 PM UTC

   The issue has been identified and a fix is being implemented.

   provider

6. identifiedMar 11, 2026, 5:22 PM UTC

   We are continuing to work on a fix for this issue.

   provider

7. monitoringMar 11, 2026, 5:22 PM UTC

   A fix has been implemented and we are monitoring the results.

   provider

8. resolvedMar 11, 2026, 5:28 PM UTC

   The incident is now resolved. To recap we had an incident starting at 07:17 PT / 14:17 UTC and the errors returned to baseline at 10:11 PT / 17:11 UTC.

   provider

Corrections

None so far.

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