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Colormind vs xColors

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

APIColormindNEW—xColorsNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSyesyes
HTTPSnoyes
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

Colormind vs xColors: common questions

Which is more reliable, Colormind or xColors?

On our scheduled checks, xColors leads on measured uptime — Colormind 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 Colormind and xColors need an API key?

Neither needs a paid key — Colormind 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 Colormind and xColors from the browser?

Only xColors is browser-friendly — it returns CORS headers over HTTPS. Colormind needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are Colormind and xColors free for commercial use?

Colormind 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.