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Cutt.ly vs Nationalize.io

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

APICutt.lyNEW—Nationalize.ioNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeynone
CORSnoyes
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

Cutt.ly vs Nationalize.io: common questions

Which is more reliable, Cutt.ly or Nationalize.io?

On our scheduled checks, Nationalize.io leads on measured uptime — Cutt.ly at —% versus Nationalize.io at —% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Do Cutt.ly and Nationalize.io need an API key?

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

Can I call Cutt.ly and Nationalize.io from the browser?

Only Nationalize.io is browser-friendly — it returns CORS headers over HTTPS. Cutt.ly needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are Cutt.ly and Nationalize.io free for commercial use?

Cutt.ly 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.