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Songlink / Odesli vs YouTube Transcript Search API by Arcmira

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

APISonglink / OdesliDEAD0YouTube Transcript Search API by ArcmiraREACHABLE100
Uptime · 30d
Uptime · 90d7.3%100%
Uptime · 30d0.0%100%
P50 · ms13382109
P95 · ms28323179
AuthapiKeyapiKey
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverified
Free tierFree tier — key may be required
Rate limitUnpublished
In directory since2026-07-052026-10-12
operationalpartialdownno data

Songlink / Odesli vs YouTube Transcript Search API by Arcmira: common questions

Which is more reliable, Songlink / Odesli or YouTube Transcript Search API by Arcmira?

On our scheduled checks, YouTube Transcript Search API by Arcmira leads on measured uptime — Songlink / Odesli at 7.3% 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.

Which is faster, Songlink / Odesli or YouTube Transcript Search API by Arcmira?

Songlink / Odesli has the lower median latency in our checks — Songlink / Odesli responds in 1338 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 Songlink / Odesli and YouTube Transcript Search API by Arcmira need an API key?

Both ask you to authenticate — Songlink / Odesli 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 Songlink / Odesli 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. Songlink / Odesli needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are Songlink / Odesli and YouTube Transcript Search API by Arcmira free for commercial use?

Songlink / Odesli 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.