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Acoustid API vs NetworkCalc

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

APIAcoustid APINEW—NetworkCalcNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeynone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key may be required for productionFree public API, no key
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Acoustid API vs NetworkCalc: common questions

Which is more reliable, Acoustid API or NetworkCalc?

On our scheduled checks, NetworkCalc leads on measured uptime — Acoustid API at —% versus NetworkCalc 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 Acoustid API and NetworkCalc need an API key?

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

Can I call Acoustid API and NetworkCalc from the browser?

Yes — both Acoustid API and NetworkCalc 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 NetworkCalc free for commercial use?

Acoustid API has unclear commercial terms, and NetworkCalc 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.