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ChartLyrics vs Radio Browser

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

APIChartLyricsDEAD0Radio BrowserNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSunknownyes
HTTPSnoyes
Card requirednono
Commercial useunclearunclear
Data licenseUnlicensed lyrics dataUnverified
Free tierWas: unlimitedFree and open source — no key
Rate limit—Unpublished (clients asked to send a descriptive User-Agent)
In directory since2026-05-022026-07-05
operationalpartialdownno data

ChartLyrics vs Radio Browser: common questions

Which is more reliable, ChartLyrics or Radio Browser?

On our scheduled checks, Radio Browser leads on measured uptime — ChartLyrics at —% versus Radio Browser 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 ChartLyrics and Radio Browser need an API key?

Neither needs a paid key — ChartLyrics is callable with no signup, and Radio Browser is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call ChartLyrics and Radio Browser from the browser?

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

Are ChartLyrics and Radio Browser free for commercial use?

ChartLyrics has unclear commercial terms, and Radio Browser 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.