Ducks Unlimited vs GeoJS

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

Uptime · 30d
Uptime · 90d99.02%100%
Uptime · 30d98.3%100%
P50 · ms832107
P95 · ms2202722
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree, no API key required
Rate limitUnpublishedUnpublished (no enforced limit stated)
In directory since2026-07-052026-07-05
operationalpartialdownno data

Ducks Unlimited vs GeoJS: common questions

Which is more reliable, Ducks Unlimited or GeoJS?

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

GeoJS has the lower median latency in our checks — Ducks Unlimited responds in 832 ms versus GeoJS at 107 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 GeoJS need an API key?

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

Can I call Ducks Unlimited and GeoJS from the browser?

Yes — both Ducks Unlimited and GeoJS 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 Ducks Unlimited and GeoJS free for commercial use?

Ducks Unlimited has unclear commercial terms, and GeoJS 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.