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ipify vs Todoist

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

APIipifyHEALTHY—TodoistNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthnoneapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useyesunclear
Data licensen/aUnverified
Free tierUnlimitedFree tier — API key required
Rate limitNoneRetry-After: 2s
In directory since2026-05-022026-07-05
operationalpartialdownno data

ipify vs Todoist: common questions

Which is more reliable, ipify or Todoist?

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

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

Can I call ipify and Todoist from the browser?

Only ipify 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 ipify and Todoist free for commercial use?

ipify allows commercial use on its free tier, 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.