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Kanji API vs PoetryDB

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

APIKanji APIUNMONITORED—PoetryDBNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified (public-domain poetry; project is MIT-licensed)
Free tierFree — limits not publishedFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Kanji API vs PoetryDB: common questions

Which is more reliable, Kanji API or PoetryDB?

Only PoetryDB is on our probe schedule so far (—% uptime over 90 days). The other is catalogued but not yet live-checked, so we can't compare measured reliability head-to-head — check the uncovered API's own status page for now.

Do Kanji API and PoetryDB need an API key?

Neither needs a paid key — Kanji API 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 Kanji API and PoetryDB from the browser?

Yes — both Kanji API and PoetryDB send CORS headers over HTTPS, so front-end code can fetch either directly with no backend proxy. That makes them easy to swap in a client-side app while you compare responses.

Are Kanji API and PoetryDB free for commercial use?

Kanji API 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.