HTTP Dog vs RandomDuck

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

Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms57459
P95 · ms364836
Authnonenone
CORSnono
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

HTTP Dog vs RandomDuck: common questions

Which is more reliable, HTTP Dog or RandomDuck?

Both are neck-and-neck — HTTP Dog and RandomDuck 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, HTTP Dog or RandomDuck?

HTTP Dog has the lower median latency in our checks — HTTP Dog responds in 57 ms versus RandomDuck at 459 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 HTTP Dog and RandomDuck need an API key?

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

Can I call HTTP Dog and RandomDuck from the browser?

Neither sends browser-friendly CORS headers reliably, so call HTTP Dog and RandomDuck from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.

Are HTTP Dog and RandomDuck free for commercial use?

HTTP Dog has unclear commercial terms, and RandomDuck 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.