Catchdoms Security API vs FastApi Simple Calculator

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

Uptime · 30d
Uptime · 90d100%96.1%
Uptime · 30d100%95.0%
P50 · ms437315
P95 · ms1398778
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

Catchdoms Security API vs FastApi Simple Calculator: common questions

Which is more reliable, Catchdoms Security API or FastApi Simple Calculator?

On our scheduled checks, Catchdoms Security API leads on measured uptime — Catchdoms Security API at 100% versus FastApi Simple Calculator at 96.1% 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, Catchdoms Security API or FastApi Simple Calculator?

FastApi Simple Calculator has the lower median latency in our checks — Catchdoms Security API responds in 437 ms versus FastApi Simple Calculator at 315 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 Catchdoms Security API and FastApi Simple Calculator need an API key?

Neither needs a paid key — Catchdoms Security API is callable with no signup, and FastApi Simple Calculator is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call Catchdoms Security API and FastApi Simple Calculator from the browser?

Neither sends browser-friendly CORS headers reliably, so call Catchdoms Security API and FastApi Simple Calculator from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.

Are Catchdoms Security API and FastApi Simple Calculator free for commercial use?

Catchdoms Security API has unclear commercial terms, and FastApi Simple Calculator 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.