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Onyx Bazaar vs Sofiaplan

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

APIOnyx BazaarNEW—SofiaplanNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Onyx Bazaar vs Sofiaplan: common questions

Which is more reliable, Onyx Bazaar or Sofiaplan?

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

Neither needs a paid key — Onyx Bazaar is callable with no signup, and Sofiaplan is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call Onyx Bazaar and Sofiaplan from the browser?

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

Are Onyx Bazaar and Sofiaplan free for commercial use?

Onyx Bazaar has unclear commercial terms, and Sofiaplan 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.