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Last.fm vs YouTube Transcript Search API by Arcmira

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

APILast.fmDEAD0YouTube Transcript Search API by ArcmiraREACHABLE100
Uptime · 30d
Uptime · 90d0.0%100%
Uptime · 30d0.0%100%
P50 · ms—2109
P95 · ms—3179
AuthapiKeyapiKey
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseLast.fm terms — attribution required
Free tierFree personal API key
Rate limitUnpublished
In directory since2026-07-052026-10-12
operationalpartialdownno data

Last.fm vs YouTube Transcript Search API by Arcmira: common questions

Which is more reliable, Last.fm or YouTube Transcript Search API by Arcmira?

On our scheduled checks, YouTube Transcript Search API by Arcmira leads on measured uptime — Last.fm at 0.0% versus YouTube Transcript Search API by Arcmira 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 YouTube Transcript Search API by Arcmira need an API key?

Both ask you to authenticate — Last.fm uses an API key and YouTube Transcript Search API by Arcmira 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 YouTube Transcript Search API by Arcmira from the browser?

Yes — both Last.fm and YouTube Transcript Search API by Arcmira 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 YouTube Transcript Search API by Arcmira free for commercial use?

Last.fm has unclear commercial terms, and YouTube Transcript Search API by Arcmira 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.