shipapis
StarSubmit an APISubmit API

KDP Intelligence vs PoetryDB

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

APIKDP IntelligenceNEW—PoetryDBNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified (public-domain poetry; project is MIT-licensed)
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 PoetryDB: common questions

Which is more reliable, KDP Intelligence or PoetryDB?

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

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

Can I call KDP Intelligence and PoetryDB from the browser?

Only PoetryDB 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 PoetryDB free for commercial use?

KDP Intelligence has unclear commercial terms, and PoetryDB 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.