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Church Calendar vs X (Twitter) API

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

APIChurch CalendarNEW—X (Twitter) APINEW—
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 X (Twitter) API: common questions

Which is more reliable, Church Calendar or X (Twitter) API?

On our scheduled checks, X (Twitter) API leads on measured uptime — Church Calendar at —% versus X (Twitter) API 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 X (Twitter) API need an API key?

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

Can I call Church Calendar and X (Twitter) API from the browser?

Only X (Twitter) API 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 X (Twitter) API free for commercial use?

Church Calendar has unclear commercial terms, and X (Twitter) API 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.