shipapis
StarSubmit an APISubmit API

Church Calendar vs Cisco Spark

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

APIChurch CalendarNEW—Cisco SparkNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthnoneapiKey
CORSyesyes
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 Cisco Spark: common questions

Which is more reliable, Church Calendar or Cisco Spark?

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

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

Can I call Church Calendar and Cisco Spark from the browser?

Only Cisco Spark is browser-friendly — it returns CORS headers over HTTPS. Church Calendar needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are Church Calendar and Cisco Spark free for commercial use?

Church Calendar has unclear commercial terms, and Cisco Spark 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.