IP Geolocation API vs WhoisXML API Email Verification API
Same instrument, two spec sheets — measured, not claimed.
IP Geolocation API vs WhoisXML API Email Verification API: common questions
Which is more reliable, IP Geolocation API or WhoisXML API Email Verification API?
On our scheduled checks, WhoisXML API Email Verification API leads on measured uptime — IP Geolocation API at —% versus WhoisXML API Email Verification 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 IP Geolocation API and WhoisXML API Email Verification API need an API key?
IP Geolocation API needs no key, while WhoisXML API Email Verification API requires a free API key. If you want to start calling without signup, reach for IP Geolocation API first.
Can I call IP Geolocation API and WhoisXML API Email Verification API from the browser?
Only WhoisXML API Email Verification API is browser-friendly — it returns CORS headers over HTTPS. IP Geolocation API needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are IP Geolocation API and WhoisXML API Email Verification API free for commercial use?
IP Geolocation API has unclear commercial terms, and WhoisXML API Email Verification 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.