Acoustid API vs QuickChart

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

Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms
P95 · ms
AuthapiKeynone
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key may be required for productionFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Acoustid API vs QuickChart: common questions

Which is more reliable, Acoustid API or QuickChart?

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

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

Can I call Acoustid API and QuickChart from the browser?

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

Are Acoustid API and QuickChart free for commercial use?

Acoustid API has unclear commercial terms, and QuickChart 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.