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Songsterr vs xColors

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

APISongsterrNEW—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

Songsterr vs xColors: common questions

Which is more reliable, Songsterr or xColors?

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

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

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

Are Songsterr and xColors free for commercial use?

Songsterr 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.