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Quip API vs Todoist

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

APIQuip APINEW—TodoistNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeyapiKey
CORSnono
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree tier — API key required
Rate limitUnpublishedRetry-After: 2s
In directory since2026-07-052026-07-05
operationalpartialdownno data

Quip API vs Todoist: common questions

Which is more reliable, Quip API or Todoist?

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

Both ask you to authenticate — Quip API uses an API key and Todoist uses an API key. Each key is free to obtain; the Auth and Card-required rows above spell out the signup terms.

Can I call Quip API and Todoist from the browser?

Neither sends browser-friendly CORS headers reliably, so call Quip API and Todoist from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.

Are Quip API and Todoist free for commercial use?

Quip 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.