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Acoustid API vs PageBolt

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

APIAcoustid APINEW—PageBoltNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeyapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key may be required for productionFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Acoustid API vs PageBolt: common questions

Which is more reliable, Acoustid API or PageBolt?

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

Both ask you to authenticate — Acoustid API uses an API key and PageBolt 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 PageBolt from the browser?

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

Are Acoustid API and PageBolt free for commercial use?

Acoustid API has unclear commercial terms, and PageBolt 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.