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InternetDB API vs Todoist

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

APIInternetDB APINEW—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

InternetDB API vs Todoist: common questions

Which is more reliable, InternetDB API or Todoist?

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

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

Can I call InternetDB API and Todoist from the browser?

Only InternetDB API 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 InternetDB API and Todoist free for commercial use?

InternetDB API 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.