Outage in Anthropic
Elevated errors on Opus 4
Resolved MajorIncident Report
We are currently investigating an issue with Opus 4 returning 500s in the API.
Components affected
Anthropic api.anthropic.comTrusted by 1,000+ teams
The Status Page Aggregator with Early Outage Detection
Stop finding out about outages from your users. Monitor 6,320+ cloud services and get alerted the second something breaks.
Start Free Trial
- No credit card
- 14-day trial
- 2-minute setup
Latest Updates ( sorted recent to last )
RESOLVED
9 months ago - at 07/09/2025 05:10PM
This incident has been resolved.
IDENTIFIED
9 months ago - at 07/09/2025 04:58PM
We have identified a continued impact to some requests to Claude Opus 4, and our engineers are working to resolve these. We will provide additional updates as soon as possible.
MONITORING
9 months ago - at 07/09/2025 04:49PM
From 16:21–16:45 UTC, requests to Opus 4 received errors. We have applied a fix and are currently monitoring closely to ensure no further recurrence.
INVESTIGATING
9 months ago - at 07/09/2025 04:28PM
We are currently investigating an issue with Opus 4 returning 500s in the API.
Latest Anthropic outages
Failures to add Credentials to Vaults - 2 days ago
Claude Cowork not starting for some users - 2 days ago
Opus 4.6 elevated rate of errors - 3 days ago
Elevated errors on Claude.ai, API, Claude Code - 4 days ago
The Status Page Aggregator with Early Outage Detection
With IsDown, you can monitor all your critical services' official status pages from one centralized dashboard and receive instant alerts the moment an outage is detected. Say goodbye to constantly checking multiple sites for updates and stay ahead of outages with IsDown.
Start free trialNo credit card required · Cancel anytime · 6320 services available
Integrations with
