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Namedays Calendar vs Zoom

Same instrument, two spec sheets — measured, not claimed.

APINamedays CalendarDYING88ZoomDEAD0
Uptime · 30d
Uptime · 90d91.2%0.0%
Uptime · 30d85.0%0.0%
P50 · ms480—
P95 · ms2749—
AuthnoneapiKey
CORSnono
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — API key required
Rate limit60 req/window · 58 remainingUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Namedays Calendar vs Zoom: common questions

Which is more reliable, Namedays Calendar or Zoom?

On our scheduled checks, Namedays Calendar leads on measured uptime — Namedays Calendar at 91.2% versus Zoom at 0.0% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Do Namedays Calendar and Zoom need an API key?

Namedays Calendar needs no key, while Zoom requires a free API key. If you want to start calling without signup, reach for Namedays Calendar first.

Can I call Namedays Calendar and Zoom from the browser?

Neither sends browser-friendly CORS headers reliably, so call Namedays Calendar and Zoom from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.

Are Namedays Calendar and Zoom free for commercial use?

Namedays Calendar has unclear commercial terms, and Zoom has unclear commercial terms. We track service terms and the data license as separate fields — see the Commercial use and Data license rows above, and confirm both before shipping either in a paid product.