NuGet V3 API vs REST Countries

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

Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms153274
P95 · ms11181520
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearyes
Data licenseUnverifiedMPL-2.0
Free tierFree — limits not publishedUnlimited
Rate limitUnpublishedNone published
In directory since2026-07-052026-05-02
operationalpartialdownno data

NuGet V3 API vs REST Countries: common questions

Which is more reliable, NuGet V3 API or REST Countries?

Both are neck-and-neck — NuGet V3 API and REST Countries 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 REST Countries?

NuGet V3 API has the lower median latency in our checks — NuGet V3 API responds in 153 ms versus REST Countries at 274 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 REST Countries need an API key?

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

Can I call NuGet V3 API and REST Countries from the browser?

Yes — both NuGet V3 API and REST Countries 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 REST Countries free for commercial use?

NuGet V3 API has unclear commercial terms, and REST Countries allows commercial use on its free tier. 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.