Anthropic: Elevated latency on the Claude API for some users
Affected components: Claude CoworkClaude API (api.anthropic.com)
Timeline of updates
- 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.
- resolved
The issue affecting Claude services has been mitigated.
Archive proof
Rewindex commits each version of an incident it captures to a daily checkpoint, chains it to the day before, and has the checkpoint timestamped by FreeTSA and DigiCert. That proves this record existed by then and has not been changed since, by anyone, Rewindex included.
How the archive is checked, and what it cannot prove.
First version captured
In the 2026-10-17 checkpoint, timestamped by FreeTSA and DigiCert on . Record hash
a0b40f343c58e70e…
Impact, status and times are the vendor’s own, as last archived. View on stspg.io (opens in new tab).
Cite this
Status incident (vendor impact label: minor) posted by Anthropic, started 2026-09-10 21:43 UTC, resolved after 1.7 h, 2 update(s).
- Title
- Elevated latency on the Claude API for some users
- Vendor
- Anthropic
- Date
- URL
- https://rewindex.com/company/anthropic/incidents/2pt83vlkk7x7
Anthropic profileRecent Anthropic incidentsAll outages on September 10, 2026Anthropic in September 2026MarkdownJSON