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Datamuse vs Kaggle

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

APIDatamuseNEW—KaggleNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthnoneapiKey
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — key may be required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Datamuse vs Kaggle: common questions

Which is more reliable, Datamuse or Kaggle?

On our scheduled checks, Kaggle leads on measured uptime — Datamuse at —% versus Kaggle 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 Datamuse and Kaggle need an API key?

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

Can I call Datamuse and Kaggle from the browser?

Yes — both Datamuse and Kaggle 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 Datamuse and Kaggle free for commercial use?

Datamuse has unclear commercial terms, and Kaggle 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.