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64.9%of 37 verified observed days had no reported provider issue
90-Day Trend
Dashed calendar markers below identify legacy observations whose source-at-observation was not recorded.
Monthly Status Summary
Month
Issue-free days
Days Tracked
Days with issues
September 2026
63.3%
30
11
This percentage summarizes normalized provider-status observations by calendar day. It is not duration-based, component-weighted, or contractual uptime. See the methodology and limitations.
Recorded Daily Status (Last 91 Days)
Jul 2Today
Legacy observation Operational Degraded Partial Outage Major Outage Maintenance No Data
Incident History
September 2026
Degraded performance on platform.claude.com and Claude for Microsoft Office 365
We are seeing success rates recover across affected services. Core inference and the API are not impacted.
investigating
We are investigating reports of degraded performance affecting some Claude services, including docs.claude.com. We are working to resolve these issues and will provide an update as soon as possible.
Degraded performance on Claude for Microsoft Office 365
We are investigating reports of degraded performance affecting Claude in Slack, Claude Code on the web, and Code Review. We will provide an update as soon as possible.
A mitigation has been applied for the issue affecting Claude Cowork and Claude Code on the web, and we are monitoring for recovery. Sessions that disconnected earlier can be retried
identified
We have identified an issue with an upstream cloud provider affecting Claude Cowork and Claude Code on the web. Some sessions may fail to start or disconnect mid-task; affected sessions can be retried. We are in contact with the provider and will provide an update as soon as possible.
Legacy Incident Archive
206 archived records restored. These records predate source-at-observation attestation. They are shown as historical ServiceAlert records only and do not establish a provider-reported incident, resolution, duration, or current active state.
May 2026
opus 4.7 elevated errors
minorSource not attested
Last archived state: resolved
View archived record details
investigating
We are currently investigating this issue.
Elevated errors for Claude Opus 4.8
majorSource not attested
Last archived state: resolved
View archived record details
monitoring
A fix has been deployed for Claude Opus 4.8 and success rates have returned to normal. Users saw elevated errors on requests to the model from 18:16–18:42 UTC.
investigating
We are investigating elevated errors on requests to Claude Opus 4.8. We will provide an update as soon as possible.
Elevated errors on Claude Opus 4.8
minorSource not attested
Last archived state: resolved
View archived record details
monitoring
A fix has been implemented and we are monitoring the results.
investigating
We are currently investigating this issue.
Billing and subscription management issues
minorSource not attested
Last archived state: resolved
View archived record details
monitoring
A fix has been deployed for the issue affecting Claude services and we are monitoring for recovery.
identified
We are currently experiencing issues with billing and subscription management on claude.ai and the Anthropic Console. Users may see errors when viewing subscription details, payment methods, or attempting to upgrade or change plans. Chat and API access are not affected. We have identified the cause and are working on a fix.
Elevated errors on Claude Opus 4.7
majorSource not attested
Last archived state: resolved
View archived record details
investigating
We are currently investigating this issue.
Elevated errors on Claude Opus 4.7
majorSource not attested
Last archived state: resolved
View archived record details
monitoring
A fix has been implemented and we are monitoring the results.
investigating
We are currently investigating this issue.
Elevated errors on Claude Opus 4.7
majorSource not attested
Last archived state: resolved
View archived record details
monitoring
A fix has been implemented and we are monitoring the results.
investigating
We are currently investigating this issue.
Elevated errors for Claude Code in Slack
minorSource not attested
Last archived state: resolved
View archived record details
investigating
We are currently investigating this issue.
Elevated error rates on Opus 4.7
Source not attested
Last archived state: resolved
View archived record details
monitoring
We had an elevated error rate on Opus 4.7 from 6:30 UTC until 10:30 UTC
Elevated errors on Claude Opus 4.7
minorSource not attested
Last archived state: resolved
View archived record details
monitoring
A fix has been implemented and we are monitoring the results.
