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Ducks Unlimited vs Smappee API

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

APIDucks UnlimitedHEALTHY88Smappee APIHEALTHY89
Uptime · 30d
Uptime · 90d99.02%100%
Uptime · 30d98.3%100%
P50 · ms832809
P95 · ms22021644
AuthnoneapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Ducks Unlimited vs Smappee API: common questions

Which is more reliable, Ducks Unlimited or Smappee API?

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

Smappee API has the lower median latency in our checks — Ducks Unlimited responds in 832 ms versus Smappee API at 809 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 Smappee API need an API key?

Ducks Unlimited needs no key, while Smappee API requires a free API key. If you want to start calling without signup, reach for Ducks Unlimited first.

Can I call Ducks Unlimited and Smappee API from the browser?

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

Are Ducks Unlimited and Smappee API free for commercial use?

Ducks Unlimited has unclear commercial terms, and Smappee 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.