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ISO 3166-2 API vs VA Facilities

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

APIISO 3166-2 APIHEALTHY85VA FacilitiesHEALTHY85
Uptime · 30d
Uptime · 90d100%99.44%
Uptime · 30d100%100%
P50 · ms1011876
P95 · ms23032720
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

ISO 3166-2 API vs VA Facilities: common questions

Which is more reliable, ISO 3166-2 API or VA Facilities?

On our scheduled checks, ISO 3166-2 API leads on measured uptime — ISO 3166-2 API at 100% versus VA Facilities at 99.44% 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, ISO 3166-2 API or VA Facilities?

VA Facilities has the lower median latency in our checks — ISO 3166-2 API responds in 1011 ms versus VA Facilities at 876 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 ISO 3166-2 API and VA Facilities need an API key?

ISO 3166-2 API needs no key, while VA Facilities requires a free API key. If you want to start calling without signup, reach for ISO 3166-2 API first.

Can I call ISO 3166-2 API and VA Facilities from the browser?

Only ISO 3166-2 API is browser-friendly — it returns CORS headers over HTTPS. VA Facilities needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are ISO 3166-2 API and VA Facilities free for commercial use?

ISO 3166-2 API has unclear commercial terms, and VA Facilities 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.