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Nationalize.io vs OnSched Consumer API

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

APINationalize.ioHEALTHY93OnSched Consumer APIHEALTHY88
Uptime · 30d
Uptime · 90d97.1%100%
Uptime · 30d100%100%
P50 · ms448722
P95 · ms9851890
AuthnoneapiKey
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierKeyless usage limited (x-rate-limit-limit: 25 observed); 2,500 names/mo with a free keyFree tier — API key required
Rate limitKeyless cap 25 per x-rate-limit-limit header; remaining/reset exposed in response headersUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Nationalize.io vs OnSched Consumer API: common questions

Which is more reliable, Nationalize.io or OnSched Consumer API?

On our scheduled checks, OnSched Consumer API leads on measured uptime — Nationalize.io at 97.1% versus OnSched Consumer API 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, Nationalize.io or OnSched Consumer API?

Nationalize.io has the lower median latency in our checks — Nationalize.io responds in 448 ms versus OnSched Consumer API at 722 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 Nationalize.io and OnSched Consumer API need an API key?

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

Can I call Nationalize.io and OnSched Consumer API from the browser?

Yes — both Nationalize.io and OnSched Consumer API 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 Nationalize.io and OnSched Consumer API free for commercial use?

Nationalize.io has unclear commercial terms, and OnSched Consumer API 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.