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Bible-api vs KDP Intelligence

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

APIBible-apiNEW—KDP IntelligenceNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licensePublic Domain (WEB translation; per translation_note in response)Unverified
Free tierFree — limits not publishedFree preview/check endpoints; full niche data is paid via x402 USDC
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Bible-api vs KDP Intelligence: common questions

Which is more reliable, Bible-api or KDP Intelligence?

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

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

Can I call Bible-api and KDP Intelligence from the browser?

Only Bible-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 Bible-api and KDP Intelligence free for commercial use?

Bible-api has unclear commercial terms, and KDP Intelligence 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.