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MediaCaption API vs Songlink / Odesli

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

APIMediaCaption APIDOCS OK100Songlink / OdesliDYING25
Uptime · 30d
Uptime · 90d100%13.6%
Uptime · 30d100%13.6%
P50 · ms10624665
P95 · ms10624665
AuthapiKeyapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useyesunclear
Data licenseUnverified
Free tier10 credits when you sign upFree tier — key may be required
Rate limit60 req/minUnpublished
In directory since2026-07-182026-07-05
operationalpartialdownno data

MediaCaption API vs Songlink / Odesli: common questions

Which is more reliable, MediaCaption API or Songlink / Odesli?

On our scheduled checks, MediaCaption API leads on measured uptime — MediaCaption API at 100% versus Songlink / Odesli at 13.6% 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, MediaCaption API or Songlink / Odesli?

MediaCaption API has the lower median latency in our checks — MediaCaption API responds in 1062 ms versus Songlink / Odesli at 4665 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 MediaCaption API and Songlink / Odesli need an API key?

Both ask you to authenticate — MediaCaption API uses an API key and Songlink / Odesli 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 MediaCaption API and Songlink / Odesli from the browser?

Only MediaCaption API 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 MediaCaption API and Songlink / Odesli free for commercial use?

MediaCaption API allows commercial use on its free tier, and Songlink / Odesli 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.