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Datamuse vs FIRST News API

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

APIDatamuseNEW—FIRST News APINEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Datamuse vs FIRST News API: common questions

Which is more reliable, Datamuse or FIRST News API?

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

Neither needs a paid key — Datamuse is callable with no signup, and FIRST News API is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call Datamuse and FIRST News API from the browser?

Yes — both Datamuse and FIRST News API 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 FIRST News API free for commercial use?

Datamuse has unclear commercial terms, and FIRST News API 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.