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CDNJS vs Notion

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

APICDNJSNEW—NotionREACHABLE—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnoneoauth
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree and open, no keyOAuth — some read routes may be public
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

CDNJS vs Notion: common questions

Which is more reliable, CDNJS or Notion?

On our scheduled checks, Notion leads on measured uptime — CDNJS at —% versus Notion 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 CDNJS and Notion need an API key?

CDNJS needs no key, while Notion requires OAuth. If you want to start calling without signup, reach for CDNJS first.

Can I call CDNJS and Notion from the browser?

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

Are CDNJS and Notion free for commercial use?

CDNJS has unclear commercial terms, and Notion 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.