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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.
April 2026
Degraded Performance on Vaults
minorSource not attested
Last archived state: resolved
View archived record details
investigating
We are currently investigating this issue.
Elevated Connector Error Rates
minorSource not attested
Last archived state: resolved
View archived record details
investigating
Certain connectors are experiencing higher error rates. We are investigating the issue.
Sonnet 4.6 elevated rate of errors
minorSource not attested
Last archived state: resolved
View archived record details
identified
The issue has been identified and a fix is being implemented.
Outage affecting Workspace Creation
Source not attested
Last archived state: resolved
View archived record details
monitoring
A fix has been deployed for the issue affecting API workspace creation and we are monitoring for recovery.
investigating
We are investigating errors related to creating workspaces via the Claude Console at platform.claude.com and via the admin API
Other functionality including inference and the messages API is not impacted
Elevated errors on Claude.ai, API, Claude Code
minorSource not attested
Last archived state: resolved
View archived record details
investigating
We are currently investigating an issue with authentication across multiple product surfaces.
Sonnet 4.6 elevated rate of errors
majorSource not attested
Last archived state: resolved
View archived record details
monitoring
A fix has been implemented and we are monitoring the results.
identified
The issue has been identified and a fix is being implemented.
investigating
We are continuing to investigate this issue.
investigating
We are currently investigating this issue.
Elevated errors on Claude.ai
criticalSource not attested
Last archived state: resolved
View archived record details
monitoring
We have applied a fix and success rates have returned to normal. We are continuing to monitor closely to ensure there are no further issues.
identified
We have identified an issue resulting in elevated errors on Claude.ai, including desktop and mobile. Users may experience errors when attempting to login, engaging with voice mode, or completing chats with Claude. We are working to resolve this issue as soon as possible.
Sonnet 4.6 elevated rate of errors
minorSource not attested
Last archived state: resolved
View archived record details
investigating
We are currently investigating this issue.
Elevated errors on Claude.ai
majorSource not attested
Last archived state: resolved
View archived record details
monitoring
We have applied a fix, and are seeing success rates recover across affected services. We are continuing to monitor to ensure there is no recurrence of issues.
identified
We are continuing to work on a fix for this issue.
identified
This issue additionally affects login on other surfaces, such as Claude.code.
identified
We have identified an issue resulting in elevated errors on Claude.ai, including desktop and mobile. Users may experience errors when attempting to login, engaging with voice mode, or completing chats with Claude. We are working to resolve this issue as soon as possible.
Elevated errors on requests to Claude Sonnet 4.6
majorSource not attested
Last archived state: resolved
View archived record details
investigating
We are currently investigating an issue resulting in elevated errors on requests to Claude Sonnet 4.6. We will provide an update as soon as possible.
