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Ducks Unlimited vs Pendo Feedback API

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

APIDucks UnlimitedHEALTHY88Pendo Feedback APIDYING67
Uptime · 30d
Uptime · 90d99.02%53.9%
Uptime · 30d98.3%21.7%
P50 · ms832517
P95 · ms2202812
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 Pendo Feedback API: common questions

Which is more reliable, Ducks Unlimited or Pendo Feedback API?

On our scheduled checks, Ducks Unlimited leads on measured uptime — Ducks Unlimited at 99.02% versus Pendo Feedback API at 53.9% 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 Pendo Feedback API?

Pendo Feedback API has the lower median latency in our checks — Ducks Unlimited responds in 832 ms versus Pendo Feedback API at 517 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 Pendo Feedback API need an API key?

Ducks Unlimited needs no key, while Pendo Feedback 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 Pendo Feedback API from the browser?

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

Are Ducks Unlimited and Pendo Feedback API free for commercial use?

Ducks Unlimited has unclear commercial terms, and Pendo Feedback 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.