ipapi.com vs IsItWater
Same instrument, two spec sheets — measured, not claimed.
ipapi.com vs IsItWater: common questions
Which is more reliable, ipapi.com or IsItWater?
On our scheduled checks, IsItWater leads on measured uptime — ipapi.com at —% versus IsItWater 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 IsItWater need an API key?
Both ask you to authenticate — ipapi.com uses an API key and IsItWater uses an API key. Each key is free to obtain; the Auth and Card-required rows above spell out the signup terms.
Can I call ipapi.com and IsItWater from the browser?
Neither sends browser-friendly CORS headers reliably, so call ipapi.com and IsItWater 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 IsItWater free for commercial use?
ipapi.com has unclear commercial terms, and IsItWater 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.