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Onyx Bazaar vs ValidEU API

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

APIOnyx BazaarNEW—ValidEU APINEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthnoneapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Onyx Bazaar vs ValidEU API: common questions

Which is more reliable, Onyx Bazaar or ValidEU API?

On our scheduled checks, ValidEU API leads on measured uptime — Onyx Bazaar at —% versus ValidEU API 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 Onyx Bazaar and ValidEU API need an API key?

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

Can I call Onyx Bazaar and ValidEU API from the browser?

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

Are Onyx Bazaar and ValidEU API free for commercial use?

Onyx Bazaar has unclear commercial terms, and ValidEU API 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.