What broke on 2026-03-21

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

Worst

Worst incidents

By Down Index score, then duration.

AnthropicPartial outage
Elevated error rates on Claude Opus and Sonnet 4.6
Mar 21, 2026, 12:07 AM UTClasted 1h 35mclaude.ai, Claude Console (platform.claude.com), Claude API (api.anthropic.com) +1
RailwayMajor outage
DNS Resolution Failures
Mar 21, 2026, 7:18 PM UTClasted 37mEU West (Amsterdam, Netherlands), TCP Proxy (Metal), Southeast Asia (Singapore) +2apac, eu, us
Help ScoutDegraded
Folder and View Issues
Mar 21, 2026, 4:39 PM UTClasted 23h 41mMailbox counts, folders, reports, search results
CoinbaseDegraded
Litecoin Network - Delayed Transactions
Mar 21, 2026, 2:02 AM UTClasted 1h 35mLitecoin
FirecrawlDegraded
API is degraded
Mar 21, 2026, 8:27 AM UTClasted 55m
SanityDegraded
Elevated error rates on the Asset CDN
Mar 21, 2026, 4:26 PM UTClasted 0m
TwilioDegraded
SMS Delivery Delays from a Subset of Twilio Phone Numbers to Multiple Networks in Kazakhstan, Russia, Belarus
Mar 21, 2026, 2:41 AM UTClasted 16h 28mSMS, APAC, SMS, Europeapac, eu
TwilioDegraded
User Authentication Identity API Errors in Canada
Mar 21, 2026, 7:16 AM UTClasted 4h 43mLookup Identity Match, Lookup SIM Swapca
ImpervaPartial outage
[INC-997] New York 2, NY (EWR) Data Center Issue
Mar 21, 2026, 6:00 AM UTClasted 3h 33mNew York 2, NY (EWR)
SnowflakeMajor outage
AWS - US West (Oregon): INC0154019
Mar 21, 2026, 6:38 AM UTClasted 34mDatabases, Tables, and Views, Virtual Warehouses, Data Loading and Unloading +9us