ip-api.com vs Numverify
Same instrument, two spec sheets — measured, not claimed.
ip-api.com vs Numverify: common questions
Which is more reliable, ip-api.com or Numverify?
On our scheduled checks, Numverify leads on measured uptime — ip-api.com at 99.02% versus Numverify at 100% 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, ip-api.com or Numverify?
ip-api.com has the lower median latency in our checks — ip-api.com responds in 33 ms versus Numverify at 449 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 ip-api.com and Numverify need an API key?
ip-api.com needs no key, while Numverify requires a free API key. If you want to start calling without signup, reach for ip-api.com first.
Can I call ip-api.com and Numverify from the browser?
Neither sends browser-friendly CORS headers reliably, so call ip-api.com and Numverify from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.
Are ip-api.com and Numverify free for commercial use?
ip-api.com 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.