CDNJS vs ipify
Same instrument, two spec sheets — measured, not claimed.
CDNJS vs ipify: common questions
Which is more reliable, CDNJS or ipify?
On our scheduled checks, ipify leads on measured uptime — CDNJS at —% versus ipify 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 CDNJS and ipify need an API key?
Neither needs a paid key — CDNJS is callable with no signup, and ipify is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call CDNJS and ipify from the browser?
Yes — both CDNJS and ipify 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 CDNJS and ipify free for commercial use?
CDNJS has unclear commercial terms, and ipify allows commercial use on its free tier. 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.