Cataas vs HTTP Dog
Same instrument, two spec sheets — measured, not claimed.
Cataas vs HTTP Dog: common questions
Which is more reliable, Cataas or HTTP Dog?
On our scheduled checks, HTTP Dog leads on measured uptime — Cataas at 99.44% versus HTTP Dog 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, Cataas or HTTP Dog?
HTTP Dog has the lower median latency in our checks — Cataas responds in 260 ms versus HTTP Dog at 84 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 Cataas and HTTP Dog need an API key?
Neither needs a paid key — Cataas is callable with no signup, and HTTP Dog is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call Cataas and HTTP Dog from the browser?
Only Cataas is browser-friendly — it returns CORS headers over HTTPS. HTTP Dog needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are Cataas and HTTP Dog free for commercial use?
Cataas has unclear commercial terms, and HTTP Dog 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.