DataScreenIQ vs Numverify
Same instrument, two spec sheets — measured, not claimed.
DataScreenIQ vs Numverify: common questions
Which is more reliable, DataScreenIQ or Numverify?
On our scheduled checks, Numverify leads on measured uptime — DataScreenIQ at —% versus Numverify 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 DataScreenIQ and Numverify need an API key?
Both ask you to authenticate — DataScreenIQ uses an API key and Numverify 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 DataScreenIQ and Numverify from the browser?
Only DataScreenIQ is browser-friendly — it returns CORS headers over HTTPS. Numverify needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are DataScreenIQ and Numverify free for commercial use?
DataScreenIQ has unclear commercial terms, and Numverify 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.