shipapis
StarSubmit an APISubmit API

NuGet V3 API vs Open VSX Registry API

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

APINuGet V3 APIHEALTHY98Open VSX Registry APIHEALTHY95
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms245245
P95 · ms776693
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree — limits not published
Rate limitUnpublished10800 req/window · 10799 remaining
In directory since2026-07-052026-07-05
operationalpartialdownno data

NuGet V3 API vs Open VSX Registry API: common questions

Which is more reliable, NuGet V3 API or Open VSX Registry API?

Both are neck-and-neck — NuGet V3 API and Open VSX Registry API each measure 100% uptime over 90 days on our probe schedule. Reliability here is verified from our own scheduled checks; use the 30-day bars above to see which has been steadier lately.

Which is faster, NuGet V3 API or Open VSX Registry API?

They're evenly matched on speed — both NuGet V3 API and Open VSX Registry API post a 245 ms median (P50) in our checks. Look at the P95 row above if worst-case latency matters more than the typical response for your use case.

Do NuGet V3 API and Open VSX Registry API need an API key?

Neither needs a paid key — NuGet V3 API is callable with no signup, and Open VSX Registry API is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call NuGet V3 API and Open VSX Registry API from the browser?

Yes — both NuGet V3 API and Open VSX Registry API send CORS headers over HTTPS, so front-end code can fetch either directly with no backend proxy. That makes them easy to swap in a client-side app while you compare responses.

Are NuGet V3 API and Open VSX Registry API free for commercial use?

NuGet V3 API has unclear commercial terms, and Open VSX Registry 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.