Numverify vs Scrapfly
Same instrument, two spec sheets — measured, not claimed.
Numverify vs Scrapfly: common questions
Which is more reliable, Numverify or Scrapfly?
On our scheduled checks, Numverify leads on measured uptime — Numverify at 100% versus Scrapfly at 99.02% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.
Which is faster, Numverify or Scrapfly?
Numverify has the lower median latency in our checks — Numverify responds in 449 ms versus Scrapfly at 1015 ms (P50). Tail latency (P95) is in the table above; for most workloads the median is the number that shapes how the API feels.
Do Numverify and Scrapfly need an API key?
Both ask you to authenticate — Numverify uses an API key and Scrapfly 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 Numverify and Scrapfly from the browser?
Neither sends browser-friendly CORS headers reliably, so call Numverify and Scrapfly from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.
Are Numverify and Scrapfly free for commercial use?
Numverify has unclear commercial terms, and Scrapfly 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.