jsDelivr vs Notion

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

Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms181524
P95 · ms10573096
Authnoneoauth
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree, no keyOAuth — some read routes may be public
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

jsDelivr vs Notion: common questions

Which is more reliable, jsDelivr or Notion?

Both are neck-and-neck — jsDelivr and Notion each measure 100% uptime over 90 days on our probe schedule. Reliability here is verified from our own scheduled checks; use the 30-day bars above to see which has been steadier lately.

Which is faster, jsDelivr or Notion?

jsDelivr has the lower median latency in our checks — jsDelivr responds in 181 ms versus Notion at 524 ms (P50). Tail latency (P95) is in the table above; for most workloads the median is the number that shapes how the API feels.

Do jsDelivr and Notion need an API key?

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

Can I call jsDelivr and Notion from the browser?

Yes — both jsDelivr and Notion send CORS headers over HTTPS, so front-end code can fetch either directly with no backend proxy. That makes them easy to swap in a client-side app while you compare responses.

Are jsDelivr and Notion free for commercial use?

jsDelivr 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.