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Church Calendar vs Zoom

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

APIChurch CalendarNEW—ZoomNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthnoneapiKey
CORSyesno
HTTPSnoyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Church Calendar vs Zoom: common questions

Which is more reliable, Church Calendar or Zoom?

On our scheduled checks, Zoom leads on measured uptime — Church Calendar at —% versus Zoom at —% 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 Church Calendar and Zoom need an API key?

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

Can I call Church Calendar and Zoom from the browser?

Neither sends browser-friendly CORS headers reliably, so call Church 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 Church Calendar and Zoom free for commercial use?

Church 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.