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Deezer vs YouTube Transcript Search API by Arcmira

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

APIDeezerHEALTHY79YouTube Transcript Search API by ArcmiraREACHABLE100
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms1642109
P95 · ms35103179
AuthnoneapiKey
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverified
Free tierFree — limits not published
Rate limitUnpublished
In directory since2026-07-052026-10-12
operationalpartialdownno data

Deezer vs YouTube Transcript Search API by Arcmira: common questions

Which is more reliable, Deezer or YouTube Transcript Search API by Arcmira?

Both are neck-and-neck — Deezer and YouTube Transcript Search API by Arcmira each measure 100% uptime over 90 days on our probe schedule. Reliability here is verified from our own scheduled checks; use the 30-day bars above to see which has been steadier lately.

Which is faster, Deezer or YouTube Transcript Search API by Arcmira?

Deezer has the lower median latency in our checks — Deezer responds in 164 ms versus YouTube Transcript Search API by Arcmira at 2109 ms (P50). Tail latency (P95) is in the table above; for most workloads the median is the number that shapes how the API feels.

Do Deezer and YouTube Transcript Search API by Arcmira need an API key?

Deezer needs no key, while YouTube Transcript Search API by Arcmira requires a free API key. If you want to start calling without signup, reach for Deezer first.

Can I call Deezer and YouTube Transcript Search API by Arcmira from the browser?

Only YouTube Transcript Search API by Arcmira is browser-friendly — it returns CORS headers over HTTPS. Deezer needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are Deezer and YouTube Transcript Search API by Arcmira free for commercial use?

Deezer 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.