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Last.fm vs MediaCaption API

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

APILast.fmUNREACHABLE0MediaCaption APIDOCS OK100
Uptime · 30d
Uptime · 90d0.0%100%
Uptime · 30d0.0%100%
P50 · ms—1062
P95 · ms—1062
AuthapiKeyapiKey
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearyes
Data licenseLast.fm terms — attribution required
Free tierFree personal API key10 credits when you sign up
Rate limitUnpublished60 req/min
In directory since2026-07-052026-07-18
operationalpartialdownno data

Last.fm vs MediaCaption API: common questions

Which is more reliable, Last.fm or MediaCaption API?

On our scheduled checks, MediaCaption API leads on measured uptime — Last.fm at 0.0% versus MediaCaption API at 100% 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 MediaCaption API need an API key?

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

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

Yes — both Last.fm and MediaCaption 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 MediaCaption API free for commercial use?

Last.fm has unclear commercial terms, and MediaCaption API allows commercial use on its free tier. 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.