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MediaCaption API vs Sunor

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

APIMediaCaption APIDOCS OK100SunorDYING37
Uptime · 30d
Uptime · 90d100%0.0%
Uptime · 30d100%0.0%
P50 · ms1062—
P95 · ms1062—
AuthapiKeyapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useyesunclear
Data licenseUnverified
Free tier10 credits when you sign upFree tier — API key required
Rate limit60 req/minUnpublished
In directory since2026-07-182026-07-05
operationalpartialdownno data

MediaCaption API vs Sunor: common questions

Which is more reliable, MediaCaption API or Sunor?

On our scheduled checks, MediaCaption API leads on measured uptime — MediaCaption API at 100% versus Sunor at 0.0% 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 MediaCaption API and Sunor need an API key?

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

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

Are MediaCaption API and Sunor free for commercial use?

MediaCaption API allows commercial use on its free tier, and Sunor 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.