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