RandomDuck vs STAPI
Same instrument, two spec sheets — measured, not claimed.
RandomDuck vs STAPI: common questions
Which is more reliable, RandomDuck or STAPI?
Both are neck-and-neck — RandomDuck and STAPI each measure 100% uptime over 90 days on our probe schedule. Reliability here is verified from our own scheduled checks; use the 30-day bars above to see which has been steadier lately.
Which is faster, RandomDuck or STAPI?
RandomDuck has the lower median latency in our checks — RandomDuck responds in 459 ms versus STAPI at 1003 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 RandomDuck and STAPI need an API key?
Neither needs a paid key — RandomDuck is callable with no signup, and STAPI is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call RandomDuck and STAPI from the browser?
Only STAPI is browser-friendly — it returns CORS headers over HTTPS. RandomDuck needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are RandomDuck and STAPI free for commercial use?
RandomDuck has unclear commercial terms, and STAPI 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.