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KDP Intelligence vs Random Word API

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

APIKDP IntelligenceNEW—Random Word APINEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree preview/check endpoints; full niche data is paid via x402 USDCFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

KDP Intelligence vs Random Word API: common questions

Which is more reliable, KDP Intelligence or Random Word API?

On our scheduled checks, Random Word API leads on measured uptime — KDP Intelligence at —% versus Random Word 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 KDP Intelligence and Random Word API need an API key?

Neither needs a paid key — KDP Intelligence is callable with no signup, and Random Word API is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call KDP Intelligence and Random Word API from the browser?

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

Are KDP Intelligence and Random Word API free for commercial use?

KDP Intelligence has unclear commercial terms, and Random Word 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.