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Last.fm vs ChartLyrics

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

APILast.fmREACHABLE—ChartLyricsDEAD0
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeynone
CORSyesunknown
HTTPSyesno
Card requirednono
Commercial useunclearunclear
Data licenseLast.fm terms — attribution requiredUnlicensed lyrics data
Free tierFree personal API keyWas: unlimited
Rate limitUnpublished—
In directory since2026-07-052026-05-02
operationalpartialdownno data

Last.fm vs ChartLyrics: common questions

Which is more reliable, Last.fm or ChartLyrics?

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

ChartLyrics needs no key, while Last.fm requires a free API key. If you want to start calling without signup, reach for ChartLyrics first.

Can I call Last.fm and ChartLyrics from the browser?

Only Last.fm 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 Last.fm and ChartLyrics free for commercial use?

Last.fm has unclear commercial terms, and ChartLyrics 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.