Service disruption on Claude services

What to do

• Check whether you use Anthropic Claude Code, Claude Cowork. 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 23m it lasted.

  Anything that failed between 2026-07-21 17:40 UTC and 2026-07-21 18:03 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 6

1. identifiedJul 21, 2026, 5:40 PM UTC

   We are investigating an outage affecting features such as document creation in claude.ai, Cowork Remote, Claude Code, Claude Code on the Web, Claude Tag, and Claude Design

   provider

2. identifiedJul 21, 2026, 5:41 PM UTC

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

   provider

3. identifiedJul 21, 2026, 5:46 PM UTC

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

   provider

4. identifiedJul 21, 2026, 5:47 PM UTC

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

   provider

5. monitoringJul 21, 2026, 5:51 PM UTC

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

   provider

6. resolvedJul 21, 2026, 6:03 PM UTC

   This incident has been resolved.

   provider

Corrections

None so far.

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