Kanji API vs PoetryDB

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

Uptime · 30d
Uptime · 90d100%86.3%
Uptime · 30d100%83.3%
P50 · ms395866
P95 · ms28703574
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?

On our scheduled checks, Kanji API leads on measured uptime — Kanji API at 100% versus PoetryDB at 86.3% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Which is faster, Kanji API or PoetryDB?

Kanji API has the lower median latency in our checks — Kanji API responds in 395 ms versus PoetryDB at 866 ms (P50). Tail latency (P95) is in the table above; for most workloads the median is the number that shapes how the API feels.

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.