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Acoustid API vs Todoist

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

APIAcoustid APIDEAD0TodoistDEAD0
Uptime · 30d
Uptime · 90d0.0%0.0%
Uptime · 30d0.0%0.0%
P50 · ms——
P95 · ms——
AuthapiKeyapiKey
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key may be required for productionFree tier — API key required
Rate limitUnpublishedRetry-After: 2s
In directory since2026-07-052026-07-05
operationalpartialdownno data

Acoustid API vs Todoist: common questions

Which is more reliable, Acoustid API or Todoist?

Both are neck-and-neck — Acoustid API 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 Acoustid API and Todoist need an API key?

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

Yes — both Acoustid API and Todoist send CORS headers over HTTPS, so front-end code can fetch either directly with no backend proxy. That makes them easy to swap in a client-side app while you compare responses.

Are Acoustid API and Todoist free for commercial use?

Acoustid 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.