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Riddles API vs Sentino Personality API

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

APIRiddles APINEW—Sentino Personality APINEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthnoneapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Riddles API vs Sentino Personality API: common questions

Which is more reliable, Riddles API or Sentino Personality API?

On our scheduled checks, Sentino Personality API leads on measured uptime — Riddles API at —% versus Sentino Personality 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 Riddles API and Sentino Personality API need an API key?

Riddles API needs no key, while Sentino Personality API requires a free API key. If you want to start calling without signup, reach for Riddles API first.

Can I call Riddles API and Sentino Personality API from the browser?

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

Are Riddles API and Sentino Personality API free for commercial use?

Riddles API has unclear commercial terms, and Sentino Personality 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.