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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
Claude Sonnet 4.5 error spike
majorSource not attested
Last archived state: resolved
View archived record details
monitoring
We are continuing to monitor for any further issues.
monitoring
A fix has been implemented and we are monitoring the results.
investigating
We are currently investigating this issue.
Elevated errors on Opus 4.6
Source not attested
Last archived state: resolved
View archived record details
investigating
We are currently investigating this issue.
Errors uploading documents to Google Drive in Claude.ai
minorSource not attested
Last archived state: resolved
View archived record details
investigating
We are investigating an issue causing errors when uploading documents to Google Drive from Claude.ai, including the desktop app and Cowork.
Failures to add Credentials to Vaults
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.
Claude Cowork not starting for some users
majorSource not attested
Last archived state: resolved
View archived record details
identified
The issue has been identified and a fix is being implemented.
investigating
We are currently investigating this issue on the v1.3036.0 release of Claude Desktop
Opus 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.
Elevated errors on Claude.ai, API, Claude Code
criticalSource not attested
Last archived state: resolved
View archived record details
identified
We have seen success rates for login to Claude.ai, including via Claude Code, stabilize and are working to fully resolve this issue. We will provide an update shortly.
identified
Claude.ai and Platform are down. Login for Claude Code does not work via Claude.ai.
identified
The Claude API has fully recovered as of 8:01 PT / 16:01 UTC. We are currently working on mitigating the ongoing errors for Claude AI. Claude Code users who are logged in are still able to use it, but logging in is still broken.
identified
The issue has been identified and a fix is being implemented.
investigating
We are continuing to investigate this issue.
investigating
We are seeing increased errors on Claude.ai, API, and Claude Code
Degraded service on usage and analytics admin API endpoints
minorSource not attested
Last archived state: resolved
View archived record details
monitoring
A fix has been implemented and we are monitoring the results.
identified
Root cause identified. Fixes have been merged and are progressing through our deployment pipeline. Intermittent 503 errors on usage and analytics admin API endpoints may continue until the rollout completes. We will update once the fix is live in production.
investigating
We are investigating reports of degraded performance affecting the usage and analytics admin API endpoints. We will provide an update as soon as possible.
Claude.ai down
criticalSource not attested
Last archived state: resolved
View archived record details
identified
We have identified the issue affecting Claude.ai and Claude Code logins. We are working to apply a fix for this issue, and will provide an additional update as soon as possible.
investigating
We are continuing to investigate elevated errors on Claude.ai, primarily affecting login. We will provide an update as soon as possible.
investigating
We are currently investigating this issue.
Elevated errors on requests to Claude models
minorSource not attested
Last archived state: resolved
View archived record details
identified
We have identified the current issue as affecting requests to models other than Claude Opus 4.6, and are working to fully resolve this issue. We will provide additional updates shortly.
investigating
We are investigating reports of elevated errors on requests to Claude across all products. We will provide an update as soon as possible.
