shipapis
StarSubmit an APISubmit API

Keen IO vs Stock Sentiment API

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

APIKeen IONEW—Stock Sentiment APINEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeyapiKey
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — key may be requiredFree tier — API key may be required for production
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Keen IO vs Stock Sentiment API: common questions

Which is more reliable, Keen IO or Stock Sentiment API?

On our scheduled checks, Stock Sentiment API leads on measured uptime — Keen IO at —% versus Stock Sentiment API at —% 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 Keen IO and Stock Sentiment API need an API key?

Both ask you to authenticate — Keen IO uses an API key and Stock Sentiment 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 Keen IO and Stock Sentiment API from the browser?

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

Are Keen IO and Stock Sentiment API free for commercial use?

Keen IO has unclear commercial terms, and Stock Sentiment API 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.