Poof vs xColors
Same instrument, two spec sheets — measured, not claimed.
Poof vs xColors: common questions
Which is more reliable, Poof or xColors?
On our scheduled checks, xColors leads on measured uptime — Poof 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 Poof and xColors need an API key?
xColors needs no key, while Poof requires a free API key. If you want to start calling without signup, reach for xColors first.
Can I call Poof and xColors from the browser?
Yes — both Poof 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 Poof and xColors free for commercial use?
Poof 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.