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Final Space vs Rules of Acquisition

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

APIFinal SpaceNEW—Rules of AcquisitionNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSyesyes
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

Final Space vs Rules of Acquisition: common questions

Which is more reliable, Final Space or Rules of Acquisition?

On our scheduled checks, Rules of Acquisition leads on measured uptime — Final Space at —% versus Rules of Acquisition at —% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Do Final Space and Rules of Acquisition need an API key?

Neither needs a paid key — Final Space is callable with no signup, and Rules of Acquisition is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call Final Space and Rules of Acquisition from the browser?

Yes — both Final Space and Rules of Acquisition 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 Final Space and Rules of Acquisition free for commercial use?

Final Space has unclear commercial terms, and Rules of Acquisition 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.