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Keyvalue vs Todoist

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

APIKeyvalueNEW—TodoistNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthnoneapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — API key required
Rate limitUnpublishedRetry-After: 2s
In directory since2026-07-052026-07-05
operationalpartialdownno data

Keyvalue vs Todoist: common questions

Which is more reliable, Keyvalue or Todoist?

On our scheduled checks, Todoist leads on measured uptime — Keyvalue 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 Keyvalue and Todoist need an API key?

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

Can I call Keyvalue and Todoist from the browser?

Only Keyvalue 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 Keyvalue and Todoist free for commercial use?

Keyvalue 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.