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staffSign vs Todoist

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

APIstaffSignDEAD0TodoistDEAD0
Uptime · 30d
Uptime · 90d0.0%0.0%
Uptime · 30d0.0%0.0%
P50 · ms——
P95 · ms——
AuthapiKeyapiKey
CORSnoyes
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

staffSign vs Todoist: common questions

Which is more reliable, staffSign or Todoist?

Both are neck-and-neck — staffSign and Todoist each measure 0.0% uptime over 90 days on our probe schedule. Reliability here is verified from our own scheduled checks; use the 30-day bars above to see which has been steadier lately.

Do staffSign and Todoist need an API key?

Both ask you to authenticate — staffSign 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 staffSign and Todoist from the browser?

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

Are staffSign and Todoist free for commercial use?

staffSign 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.