- Level
- confirmed
- Worst impact
- Degraded
- Components
- Claude API (api.anthropic.com), Claude Cowork
- Regions
- us
What to do
Check whether you use Anthropic Claude API (api.anthropic.com), Claude Cowork in us. 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 1h 41m it lasted.
Anything that failed between 2026-09-10 21:43 UTC and 2026-09-10 23:24 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 2
- identified
We are experiencing slower than normal response times on the Claude API for some customers whose traffic enters through the US Midwest. Users may experience elevated latency and some request timeouts.
provider
- resolved
The issue affecting Claude services has been mitigated.
provider
Reports count in aggregate; nothing about you is shown.
Corrections
None so far.
Something wrong on this page? Report an error or send us a note. Every fix is listed here.
Questions about DWN-6648a83bc1
Is Anthropic still down?
No, this incident was resolved 2026-09-10 23:24 UTC. For Anthropic's live state, see https://down.guide/anthropic.
How long did it last?
1h 41m, from 2026-09-10 21:43 UTC to 2026-09-10 23:24 UTC, by the times Anthropic posted.
What was affected?
Anthropic named Claude API (api.anthropic.com), Claude Cowork in us.
What caused it?
Anthropic hasn't published a root cause. If it does, it shows here.
Where does this come from?
Anthropic's official status page, https://status.claude.com, quoted verbatim. down.guide's own probes, reports and social counts are labeled as ours.