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ipapi.com vs ISO 3166-2 API

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

APIipapi.comHEALTHY96ISO 3166-2 APIHEALTHY84
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms3011056
P95 · ms15752865
AuthapiKeynone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — key may be requiredFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

ipapi.com vs ISO 3166-2 API: common questions

Which is more reliable, ipapi.com or ISO 3166-2 API?

Both are neck-and-neck — ipapi.com and ISO 3166-2 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, ipapi.com or ISO 3166-2 API?

ipapi.com has the lower median latency in our checks — ipapi.com responds in 301 ms versus ISO 3166-2 API at 1056 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 ipapi.com and ISO 3166-2 API need an API key?

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

Can I call ipapi.com and ISO 3166-2 API from the browser?

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

Are ipapi.com and ISO 3166-2 API free for commercial use?

ipapi.com has unclear commercial terms, and ISO 3166-2 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.