ipapi.com vs ISO 3166-2 API
Same instrument, two spec sheets — measured, not claimed.
ipapi.com vs ISO 3166-2 API: common questions
Which is more reliable, ipapi.com or ISO 3166-2 API?
On our scheduled checks, ISO 3166-2 API leads on measured uptime — ipapi.com at —% versus ISO 3166-2 API at —% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.
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?
Neither sends browser-friendly CORS headers reliably, so call ipapi.com and ISO 3166-2 API from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.
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.