Ducks Unlimited vs Postali
Same instrument, two spec sheets — measured, not claimed.
Ducks Unlimited vs Postali: common questions
Which is more reliable, Ducks Unlimited or Postali?
On our scheduled checks, Postali leads on measured uptime — Ducks Unlimited at 99.02% versus Postali 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 Postali?
Postali has the lower median latency in our checks — Ducks Unlimited responds in 832 ms versus Postali at 69 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 Postali need an API key?
Neither needs a paid key — Ducks Unlimited is callable with no signup, and Postali is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call Ducks Unlimited and Postali from the browser?
Yes — both Ducks Unlimited and Postali 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 Postali free for commercial use?
Ducks Unlimited has unclear commercial terms, and Postali 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.