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NuGet V3 API vs Sofiaplan

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

APINuGet V3 APINEW—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

NuGet V3 API vs Sofiaplan: common questions

Which is more reliable, NuGet V3 API or Sofiaplan?

On our scheduled checks, Sofiaplan leads on measured uptime — NuGet V3 API 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 NuGet V3 API and Sofiaplan need an API key?

Neither needs a paid key — NuGet V3 API 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 NuGet V3 API and Sofiaplan from the browser?

Only NuGet V3 API 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 NuGet V3 API and Sofiaplan free for commercial use?

NuGet V3 API 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.