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Danbooru Anime vs Kitsu

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

APIDanbooru AnimeREACHABLE—KitsuNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeynone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Danbooru Anime vs Kitsu: common questions

Which is more reliable, Danbooru Anime or Kitsu?

On our scheduled checks, Kitsu leads on measured uptime — Danbooru Anime at —% versus Kitsu 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 Danbooru Anime and Kitsu need an API key?

Kitsu needs no key, while Danbooru Anime requires a free API key. If you want to start calling without signup, reach for Kitsu first.

Can I call Danbooru Anime and Kitsu from the browser?

Only Kitsu is browser-friendly — it returns CORS headers over HTTPS. Danbooru Anime needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are Danbooru Anime and Kitsu free for commercial use?

Danbooru Anime has unclear commercial terms, and Kitsu 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.