New Multi-region uptime checks and custom-domain status pages

Anthropic (Claude) Outage History

Daily provider-status observations and published incident history for Anthropic (Claude).

Component incident

Anthropic (Claude) has an active component incident; no global outage is indicated. Verified . Official provider source.

Looking for an update now? Check the current status, or follow Anthropic (Claude) for future changes.

60.2% of 83 verified observed days had no reported provider issue

90-Day Trend

Aug 18Nov 15

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
October 2026 48.4% 31 16
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)

Aug 17 Today
Legacy observation Operational Degraded Partial Outage Major Outage Maintenance No Data

Incident History

November 2026
Some users unable to sign up with Apple on the Claude iOS app
major

View incident details and source

Started:

claude.ai
investigating
We are continuing to investigate an issue with Sign in with Apple on the Claude iOS app, which is mainly affecting new accounts. New users can sign up with Google or email instead. We will provide another update as soon as possible.
investigating
We are investigating an issue with Sign in with Apple on the Claude iOS app, which is mainly affecting new accounts. New users can sign up with Google or email instead. We will provide an update as soon as possible.
Elevated purchasing errors on claude.ai
major Observed active window 3h 10m

View incident details and source

Started:

claude.ai
monitoring
Purchases on claude.ai are working normally, and delayed plan changes and payments are now being applied. Some customers who recently paid may need to wait up to an hour for their plan to update. There is no need to pay again. We are monitoring for recovery.
investigating
We are investigating elevated errors affecting purchases, plan upgrades and cancellations on claude.ai. Core functionality is not affected. We will provide an update as soon as possible.
Elevated errors on claude.ai, the Claude API, and Claude Code
major Observed active window 2h 35m

View incident details and source

Started:

claude.ai Claude API (api.anthropic.com) Claude Code Claude Cowork
monitoring
Errors on claude.ai, including the mobile apps, the Claude API and Claude Code have returned to normal levels, and we are continuing to monitor. Existing connectors, including Docs and Sheets, are working again, and Claude Managed Agents and Claude Meetings are recovering. Adding a new connector on claude.ai is temporarily unavailable. Scheduled tasks and routines can run more than two hours late and some runs have been skipped, and Claude Security scans, reviews and project setup remain delayed. We'll share another update soon.
investigating
We're seeing recovery on claude.ai and the Claude API, though errors may return while we continue working on this. Connectors, including Docs and Sheets, remain degraded, as do Claude in Meetings, Claude Managed Agents, Claude Security and connector use in Claude Code. Mobile apps are affected in the same way as claude.ai. We'll share another update soon.
investigating
We are investigating reports of degraded performance affecting a variety of surfaces including claude.ai, the Claude API, Claude Code, connectors (including Claude Docs and Claude Sheets), Claude Security and Claude Managed Agents.
investigating
We are investigating reports of degraded performance affecting claude.ai, the Claude API, Claude Code, and connectors (including Claude Docs and Claude Sheets).
investigating
We are investigating reports of degraded performance affecting claude.ai, the Claude API, and Claude Code. We will provide an update as soon as possible.
Elevated errors on claude.ai, Claude Code, and platform.claude.com
major Observed active window 2h 1m

View incident details and source

Started:

claude.ai Claude Console (platform.claude.com) Claude Code Claude Cowork
monitoring
A fix has been deployed for the issue affecting Claude services and we are monitoring for recovery.
investigating
We are investigating an issue with users authenticating to Claude.ai and Claude Code. We will provide an update as soon as possible.
Elevated errors affecting the Microsoft 365 connector
major Observed active window 30h 17m

View incident details and source

Started:

claude.ai Claude Cowork
monitoring
We're seeing signs of recovery for the Microsoft 365 connector. Claude for Outlook is also recovering. Some SharePoint search requests are still returning errors. Microsoft's incident remains open, so errors may return. We're continuing to monitor and will update this post as soon as we have more info.
identified
This issue is caused by a Microsoft 365 service incident, and mail, calendar and search tools in the Microsoft 365 connector are still failing for most requests. Claude for Outlook remains affected. You can follow Microsoft's progress at https://status.cloud.microsoft. We will update this post when service is restored.
identified
We are continuing to work with our upstream provider, who is restarting affected servers. Mail, calendar and search tools in the Microsoft 365 connector are still failing for most requests, and Claude for Outlook remains affected. We will provide another update as soon as we have more information.
identified
We are continuing to work with our upstream provider on this issue. Mail, calendar and search tools in the Microsoft 365 connector are still failing for most requests. Claude for Outlook is also affected: mail and calendar actions may fail, and some users may not be able to open the add-in. We will provide another update within the hour.
identified
We have identified an issue with an upstream provider affecting the Microsoft 365 connector. Mail, calendar and search tools are failing for most requests, and new connections to the connector may not complete. We are in contact with them and will provide an update as soon as possible.
investigating
We are investigating elevated errors and slow responses affecting the Microsoft 365 connector. Requests to mail, SharePoint, Teams chat and calendar through the connector may fail, and new connections to the connector may not complete. We will provide an update as soon as possible.
October 2026
Elevated errors affecting the Google Calendar connector
minor Observed active window 4h 6m

View incident details and source

Started:

claude.ai Claude Code Claude Cowork
monitoring
We are seeing recovery for errors affecting the Google Calendar connector, and error rates have returned to normal levels. We are continuing to monitor with our upstream provider.
investigating
We are continuing to investigate elevated errors affecting the Google Calendar connector, and are working with our upstream provider. We will provide another update as soon as we have more information.
investigating
We are investigating elevated errors affecting the Google Calendar connector. Some requests to list or search calendar events have been failing since October 26. We will provide an update as soon as possible.
Elevated errors for Claude Fable 5.1
major Observed active window 37m

View incident details and source

Started:

claude.ai Claude API (api.anthropic.com) Claude Code Claude Cowork
monitoring
A fix has been deployed for the issue affecting Claude services and we are monitoring for recovery.
identified
We have identified the cause of elevated errors on requests to Claude Fable 5.1 and are working on a fix. We will provide an update as soon as possible.
investigating
We are investigating elevated errors on requests to Claude Fable 5.1. We will provide an update as soon as possible.
Elevated errors for Claude Sonnet 5.5 and other models
major Observed active window 1h 40m

View incident details and source

Started:

claude.ai Claude API (api.anthropic.com) Claude Code Claude Cowork
monitoring
A fix has been deployed for the issue affecting Claude services and we are monitoring for recovery.
identified
We have identified the cause of elevated errors on requests to Claude Sonnet 5.5 and are working on a fix. We will provide an update as soon as possible.
investigating
We are investigating elevated errors on requests to Claude Mythos 5.1, Claude Fable 5.1, Claude Opus 5.5, Claude Sonnet 5.5, and Claude Haiku 5.5. We will provide an update as soon as possible.
Elevated errors for Claude Fable 5 and Claude Fable 5.1
major Observed active window 38m

View incident details and source

Started:

claude.ai Claude API (api.anthropic.com) Claude Code Claude Cowork
monitoring
A fix has been deployed for the issue affecting Claude services and we are monitoring for recovery.
identified
We have identified the cause of elevated errors on requests to other Claude models and are working on a fix. We will provide an update as soon as possible.
identified
We have identified the cause of elevated errors on requests to other Claude models and are working on a fix. We will provide an update as soon as possible.
investigating
We are investigating elevated errors on requests to other Claude models. We will provide an update as soon as possible.
Elevated errors for Claude Opus 5.5
major Observed active window 8m

View incident details and source

Started:

claude.ai Claude API (api.anthropic.com) Claude Code Claude Cowork
investigating
We are investigating elevated errors on requests to Claude Opus 5.5. We 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.

June 2026
Opus 4.8 degraded service
minor Source 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 currently investigating this issue.
Elevated errors on many Claude models
major Source not attested
Last archived state: resolved
View archived record details
monitoring
Success rates across all models have returned to expected levels. We are continuing to monitor closely to ensure no further issues will recur.
identified
We are continuing to work to resolve issues affecting success rates on Opus 4.7 and 4.8, and will provide additional updates as soon as possible.
identified
We have identified the issue and we are working to mitigate the issue. Current ongoing issues with frontier models are with Opus 4.7 and Opus 4.8 and other models have recovered.
investigating
We are currently investigating this issue.
Elevated errors on Opus 4.7
minor Source 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.
Issue affecting some Claude Code services
major Source not attested
Last archived state: resolved
View archived record details
investigating
We have identified an issue which is resulting in some Claude Code services being degraded. As a result of this issue, users will see issues with Claude Code security reviews, code reviews, routines and some Claude Code web sessions. Our engineers are working to resolve these issues as soon as possible.
Elevated errors on Opus 4.6
major Source not attested
Last archived state: resolved
View archived record details
monitoring
A fix has been implemented and we are monitoring the results.
identified
We are continuing to work on a fix for this issue.
identified
The issue has been identified and a fix is being implemented.
investigating
We are currently investigating this issue.
Degraded performance for Claude Sonnet 4.6
minor Source not attested
Last archived state: resolved
View archived record details
investigating
We are investigating elevated errors on requests to Claude Sonnet 4.6. We will provide an update as soon as possible.
Elevated errors on Claude Sonnet 4.6
minor Source 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.
Elevated errors for Claude Opus 4.7
minor Source 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 currently investigating this issue.
Sonnet 4.5 elevated errors
minor Source 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.
Opus 4.7 elevated errors
minor Source 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.