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Rules of Acquisition vs The Color API

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

APIRules of AcquisitionNEW—The Color APINEW—
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

Rules of Acquisition vs The Color API: common questions

Which is more reliable, Rules of Acquisition or The Color API?

On our scheduled checks, The Color API leads on measured uptime — Rules of Acquisition at —% versus The Color API 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 Rules of Acquisition and The Color API need an API key?

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

Can I call Rules of Acquisition and The Color API from the browser?

Yes — both Rules of Acquisition and The Color API 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 Rules of Acquisition and The Color API free for commercial use?

Rules of Acquisition has unclear commercial terms, and The Color API 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.