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Last.fm vs Songsterr

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

APILast.fmREACHABLE—SongsterrNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeynone
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseLast.fm terms — attribution requiredUnverified
Free tierFree personal API keyFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Last.fm vs Songsterr: common questions

Which is more reliable, Last.fm or Songsterr?

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

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

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

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

Last.fm has unclear commercial terms, and Songsterr 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.