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GeoScore vs Nationalize.io

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

APIGeoScoreHEALTHY50Nationalize.ioHEALTHY93
Uptime · 30d
Uptime · 90d51.0%97.1%
Uptime · 30d81.7%100%
P50 · ms4141448
P95 · ms4984985
AuthapiKeynone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredKeyless usage limited (x-rate-limit-limit: 25 observed); 2,500 names/mo with a free key
Rate limitUnpublishedKeyless cap 25 per x-rate-limit-limit header; remaining/reset exposed in response headers
In directory since2026-07-052026-07-05
operationalpartialdownno data

GeoScore vs Nationalize.io: common questions

Which is more reliable, GeoScore or Nationalize.io?

On our scheduled checks, Nationalize.io leads on measured uptime — GeoScore at 51.0% 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, GeoScore or Nationalize.io?

Nationalize.io has the lower median latency in our checks — GeoScore responds in 4141 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 GeoScore and Nationalize.io need an API key?

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

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

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

GeoScore 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.