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Genius vs MediaCaption API

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

APIGeniusDYING37MediaCaption 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 licenseUnverified
Free tierFree tier — API key required10 credits when you sign up
Rate limitUnpublished60 req/min
In directory since2026-07-052026-07-18
operationalpartialdownno data

Genius vs MediaCaption API: common questions

Which is more reliable, Genius or MediaCaption API?

On our scheduled checks, MediaCaption API leads on measured uptime — Genius 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 Genius and MediaCaption API need an API key?

Both ask you to authenticate — Genius 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 Genius and MediaCaption API from the browser?

Yes — both Genius 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 Genius and MediaCaption API free for commercial use?

Genius 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.