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Last.fm vs Spotify Web API

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

APILast.fmREACHABLE—Spotify Web APIREACHABLE—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeyoauth
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseLast.fm terms — attribution requiredUnverified
Free tierFree personal API keyOAuth app registration — free tier
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Last.fm vs Spotify Web API: common questions

Which is more reliable, Last.fm or Spotify Web API?

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

Both ask you to authenticate — Last.fm uses an API key and Spotify Web API uses OAuth. Each key is free to obtain; the Auth and Card-required rows above spell out the signup terms.

Can I call Last.fm and Spotify Web API from the browser?

Yes — both Last.fm and Spotify Web API send CORS headers over HTTPS, so front-end code can fetch either directly with no backend proxy. That makes them easy to swap in a client-side app while you compare responses.

Are Last.fm and Spotify Web API free for commercial use?

Last.fm has unclear commercial terms, and Spotify Web API 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.