Rules of Acquisition vs xColors
Same instrument, two spec sheets — measured, not claimed.
Rules of Acquisition vs xColors: common questions
Which is more reliable, Rules of Acquisition or xColors?
On our scheduled checks, xColors leads on measured uptime — Rules of Acquisition at —% versus xColors 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 xColors need an API key?
Neither needs a paid key — Rules of Acquisition is callable with no signup, and xColors is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call Rules of Acquisition and xColors from the browser?
Yes — both Rules of Acquisition and xColors 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 xColors free for commercial use?
Rules of Acquisition has unclear commercial terms, and xColors 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.