NuGet V3 API vs ValidEU API

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

Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms245273
P95 · ms776786
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

NuGet V3 API vs ValidEU API: common questions

Which is more reliable, NuGet V3 API or ValidEU API?

Both are neck-and-neck — NuGet V3 API and ValidEU 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 ValidEU API?

NuGet V3 API has the lower median latency in our checks — NuGet V3 API responds in 245 ms versus ValidEU API at 273 ms (P50). Tail latency (P95) is in the table above; for most workloads the median is the number that shapes how the API feels.

Do NuGet V3 API and ValidEU API need an API key?

NuGet V3 API needs no key, while ValidEU API requires a free API key. If you want to start calling without signup, reach for NuGet V3 API first.

Can I call NuGet V3 API and ValidEU API from the browser?

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

NuGet V3 API 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.