ArgentinaDatos vs REST Countries

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

Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms92328
P95 · ms7581189
Authnonenone
CORSyesno
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

ArgentinaDatos vs REST Countries: common questions

Which is more reliable, ArgentinaDatos or REST Countries?

Both are neck-and-neck — ArgentinaDatos 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, ArgentinaDatos or REST Countries?

ArgentinaDatos has the lower median latency in our checks — ArgentinaDatos responds in 92 ms versus REST Countries at 328 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 ArgentinaDatos and REST Countries need an API key?

Neither needs a paid key — ArgentinaDatos 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 ArgentinaDatos and REST Countries from the browser?

Only ArgentinaDatos is browser-friendly — it returns CORS headers over HTTPS. REST Countries needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are ArgentinaDatos and REST Countries free for commercial use?

ArgentinaDatos 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.