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IPGeolocation vs Nationalize.io

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

APIIPGeolocationREACHABLE100Nationalize.ioHEALTHY93
Uptime · 30d
Uptime · 90d100%97.1%
Uptime · 30d100%100%
P50 · ms259448
P95 · ms994985
AuthapiKeynone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — 1000 requests/dayKeyless usage limited (x-rate-limit-limit: 25 observed); 2,500 names/mo with a free key
Rate limit1000 requests/day on free planKeyless cap 25 per x-rate-limit-limit header; remaining/reset exposed in response headers
In directory since2026-07-052026-07-05
operationalpartialdownno data

IPGeolocation vs Nationalize.io: common questions

Which is more reliable, IPGeolocation or Nationalize.io?

On our scheduled checks, IPGeolocation leads on measured uptime — IPGeolocation at 100% versus Nationalize.io at 97.1% 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, IPGeolocation or Nationalize.io?

IPGeolocation has the lower median latency in our checks — IPGeolocation responds in 259 ms versus Nationalize.io at 448 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 IPGeolocation and Nationalize.io need an API key?

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

Can I call IPGeolocation and Nationalize.io from the browser?

Yes — both IPGeolocation and Nationalize.io 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 IPGeolocation and Nationalize.io free for commercial use?

IPGeolocation has unclear commercial terms, and Nationalize.io 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.