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ArgentinaDatos vs Fixer API

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

APIArgentinaDatosHEALTHY80Fixer APIHEALTHY93
Uptime · 30d
Uptime · 90d100%99.02%
Uptime · 30d100%98.3%
P50 · ms92448
P95 · ms758830
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

ArgentinaDatos vs Fixer API: common questions

Which is more reliable, ArgentinaDatos or Fixer API?

On our scheduled checks, ArgentinaDatos leads on measured uptime — ArgentinaDatos at 100% versus Fixer API at 99.02% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Which is faster, ArgentinaDatos or Fixer API?

ArgentinaDatos has the lower median latency in our checks — ArgentinaDatos responds in 92 ms versus Fixer API at 448 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 Fixer API need an API key?

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

Can I call ArgentinaDatos and Fixer API from the browser?

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

Are ArgentinaDatos and Fixer API free for commercial use?

ArgentinaDatos has unclear commercial terms, and Fixer 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.