IP Data API vs ISO 3166-2 API
Same instrument, two spec sheets — measured, not claimed.
IP Data API vs ISO 3166-2 API: common questions
Which is more reliable, IP Data API or ISO 3166-2 API?
On our scheduled checks, ISO 3166-2 API leads on measured uptime — IP Data API at 99.02% versus ISO 3166-2 API at 100% 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, IP Data API or ISO 3166-2 API?
IP Data API has the lower median latency in our checks — IP Data API responds in 124 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 IP Data API and ISO 3166-2 API need an API key?
Neither needs a paid key — IP Data API is callable with no signup, and ISO 3166-2 API is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call IP Data API and ISO 3166-2 API from the browser?
Yes — both IP Data API and ISO 3166-2 API 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 IP Data API and ISO 3166-2 API free for commercial use?
IP Data API 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.