The Calendar API

Calendar · Operational · 30d uptime 100%
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Public holidays for US states and 30 countries plus sports and finance calendars as static JSON

Trust signals

Pricing
UNKNOWN
Auth
UNKNOWN
CORS
Yes
Rate limit
Unknown
Health
451ms
Trust score
83 (B)

Last checked Sep 4, 2026 · uptime 24h 100% / 7d 100% / 30d 100%

Strong candidate; weakest signal is OpenAPI availability.

Links

Integration checklist

  • Auth is UNKNOWN
  • CORS enabled — callable directly from browsers.
  • Rate limit: not documented
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The Calendar API API — pricing, auth, CORS & health | Reqistry