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Chocomilk API vs xColors

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

APIChocomilk APINEW—xColorsNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSnoyes
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

Chocomilk API vs xColors: common questions

Which is more reliable, Chocomilk API or xColors?

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

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

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

Are Chocomilk API and xColors free for commercial use?

Chocomilk API 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.