What broke on 2026-05-28

One day's outages across every provider down.guide reads, in UTC.

Worst

Worst incidents

By Down Index score, then duration.

AnthropicPartial outage
Elevated errors on Claude Opus 4.7
May 28, 2026, 8:38 AM UTClasted 39mclaude.ai, Claude API (api.anthropic.com), Claude Code +1
LinearMajor outage
Asks Email Intake failing
May 28, 2026, 1:45 PM UTClasted 31m
TwingateMajor outagePostmortem
Twingate Service Incident
May 28, 2026, 9:25 AM UTClasted 8h 2mAuthentication - Enterprise, Authentication - Social, MFA +2
GitHubMajor outagePostmortem
Disruption with OpenAI Models
May 28, 2026, 7:01 PM UTClasted 1h 41mCopilot
SurveyMonkeyPartial outage
SurveyMonkey Help Center is Down
May 28, 2026, 5:03 AM UTClasted 10mSurveyMonkey
ReadMePartial outage
Refactored Hubs Down
May 28, 2026, 2:35 PM UTClasted 4d 3hReadMe Hubs, ReadMe Knowledge Base, Admin Dashboard
FrontPartial outage
[office365] Office channels offline preventing emails being sent or received
May 28, 2026, 6:24 PM UTClasted 4d 5hO365
BigCommercePartial outage
Availability Issues
May 28, 2026, 7:14 AM UTClasted 6mAPI & Webhooks, Control Panel, Storefront
BrowserStackMajor outage
Automate is facing issues
May 28, 2026, 12:32 PM UTClasted 1mAutomate
RipplingPartial outagePostmortem
Rippling app outage
May 28, 2026, 4:16 PM UTClasted 3h 35mRippling App, Single Sign-on (SSO)