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jsDelivr vs Todoist

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

APIjsDelivrNEW—TodoistNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthnoneapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree, no keyFree tier — API key required
Rate limitUnpublishedRetry-After: 2s
In directory since2026-07-052026-07-05
operationalpartialdownno data

jsDelivr vs Todoist: common questions

Which is more reliable, jsDelivr or Todoist?

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

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

Can I call jsDelivr and Todoist from the browser?

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

Are jsDelivr and Todoist free for commercial use?

jsDelivr has unclear commercial terms, and Todoist 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.