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BuyWhere vs Sofiaplan

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

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

BuyWhere vs Sofiaplan: common questions

Which is more reliable, BuyWhere or Sofiaplan?

On our scheduled checks, Sofiaplan leads on measured uptime — BuyWhere 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 BuyWhere and Sofiaplan need an API key?

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

Can I call BuyWhere and Sofiaplan from the browser?

Neither sends browser-friendly CORS headers reliably, so call BuyWhere and Sofiaplan from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.

Are BuyWhere and Sofiaplan free for commercial use?

BuyWhere 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.