Use cases
Software Products E-commerce MSPs Schools Development & Marketing DevOps Agencies Help Desk
Company
Internet Status Blog Pricing Log in Get started free

Outage in Anthropic

Elevated errors on Claude.ai

Resolved Minor
May 21, 2026 - Started about 21 hours ago - Lasted about 1 hour
Official incident page

Incident Report

Summary AI Generated

Anthropic's Claude.ai experienced elevated errors affecting user requests for 47 minutes. The service team applied a fix that restored normal success rates and monitored the platform to ensure stability. The incident was fully resolved with no further issues reported.

We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.
Components affected
Anthropic claude.ai

Trusted by 1,000+ teams

Never miss outages in third-party dependencies

Stop finding out about outages from your users. Monitor 6,320+ cloud services and get alerted the second something breaks.

IsDown status aggregator dashboard
Latest Updates ( sorted recent to last )
RESOLVED about 21 hours ago - at 05/21/2026 09:08PM

This incident has been resolved.

MONITORING about 21 hours ago - at 05/21/2026 08:42PM

We have applied a fix and success rates for requests on Claude.ai have returned to normal. We are monitoring closely to ensure no further issues.

INVESTIGATING about 21 hours ago - at 05/21/2026 08:24PM

We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

Never miss outages in third-party dependencies

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