Outage in Anthropic

Elevated errors on Claude.ai (including login issues for Claude Code)

Resolved Minor

March 11, 2026 - Started about 1 month ago - Lasted about 3 hours
Official incident page

Incident Report

Summary AI Generated

Anthropic's Claude.ai service experienced elevated errors and login issues for 2.8 hours, with Claude Code also affected by login/logout problems. Users reported constant network errors and slower than usual performance during the incident. The issue was identified and resolved with errors returning to baseline levels, while the Claude API remained unaffected throughout the incident.

We are currently investigating this issue.

Components affected

Anthropic claude.ai

Trusted 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 about 1 month ago - at 03/11/2026 05:28PM

The incident is now resolved. To recap we had an incident starting at 07:17 PT / 14:17 UTC and the errors returned to baseline at 10:11 PT / 17:11 UTC.

MONITORING about 1 month ago - at 03/11/2026 05:22PM

A fix has been implemented and we are monitoring the results.

IDENTIFIED about 1 month ago - at 03/11/2026 05:22PM

We are continuing to work on a fix for this issue.

IDENTIFIED about 1 month ago - at 03/11/2026 05:19PM

The issue has been identified and a fix is being implemented.

INVESTIGATING about 1 month ago - at 03/11/2026 03:44PM

We're currently investigating issues with Claude Code and Claude.ai. Some users may be unable to log in, and others may experience slower than usual performance. The Claude API is not affected.

INVESTIGATING about 1 month ago - at 03/11/2026 03:27PM

We are continuing to investigate this issue.

INVESTIGATING about 1 month ago - at 03/11/2026 02:47PM

This is affecting the login/logout actions in Claude Code as well.

INVESTIGATING about 1 month ago - at 03/11/2026 02:44PM

We are currently investigating this issue.

Latest Anthropic outages

Errors uploading documents to Google Drive in Claude.ai - 1 day ago

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 trial

No credit card required · Cancel anytime · 6320 services available

Integrations with Slack Microsoft Teams Google Chat Datadog PagerDuty Zapier Discord Webhook