ipify vs Rendex
Same instrument, two spec sheets — measured, not claimed.
ipify vs Rendex: common questions
Which is more reliable, ipify or Rendex?
On our scheduled checks, Rendex leads on measured uptime — ipify at —% versus Rendex 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 ipify and Rendex need an API key?
ipify needs no key, while Rendex requires a free API key. If you want to start calling without signup, reach for ipify first.
Can I call ipify and Rendex from the browser?
Yes — both ipify and Rendex 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 ipify and Rendex free for commercial use?
ipify allows commercial use on its free tier, and Rendex 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.