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Ducks Unlimited vs Visitor Statistics API

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

APIDucks UnlimitedHEALTHY88Visitor Statistics APIHEALTHY86
Uptime · 30d
Uptime · 90d99.02%98.0%
Uptime · 30d98.3%98.3%
P50 · ms832847
P95 · ms22022159
Authnonenone
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Ducks Unlimited vs Visitor Statistics API: common questions

Which is more reliable, Ducks Unlimited or Visitor Statistics API?

On our scheduled checks, Ducks Unlimited leads on measured uptime — Ducks Unlimited at 99.02% versus Visitor Statistics API at 98.0% 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, Ducks Unlimited or Visitor Statistics API?

Ducks Unlimited has the lower median latency in our checks — Ducks Unlimited responds in 832 ms versus Visitor Statistics API at 847 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 Ducks Unlimited and Visitor Statistics API need an API key?

Neither needs a paid key — Ducks Unlimited is callable with no signup, and Visitor Statistics API is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call Ducks Unlimited and Visitor Statistics API from the browser?

Only Ducks Unlimited is browser-friendly — it returns CORS headers over HTTPS. Visitor Statistics API needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are Ducks Unlimited and Visitor Statistics API free for commercial use?

Ducks Unlimited has unclear commercial terms, and Visitor Statistics 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.