ipify vs Numverify

Same instrument, two spec sheets — measured, not claimed.

Uptime · 30d
Uptime · 90d99.02%100%
Uptime · 30d100%100%
P50 · ms149449
P95 · ms3541488
AuthnoneapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useyesunclear
Data licensen/aUnverified
Free tierUnlimitedFree tier — key may be required
Rate limitNoneUnpublished
In directory since2026-05-022026-07-05
operationalpartialdownno data

ipify vs Numverify: common questions

Which is more reliable, ipify or Numverify?

On our scheduled checks, Numverify leads on measured uptime — ipify 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, ipify or Numverify?

ipify has the lower median latency in our checks — ipify responds in 149 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 ipify and Numverify need an API key?

ipify needs no key, while Numverify requires a free API key. If you want to start calling without signup, reach for ipify first.

Can I call ipify and Numverify from the browser?

Only ipify 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 ipify and Numverify free for commercial use?

ipify allows commercial use on its free tier, 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.