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Crawlee vs Datamuse

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

APICrawleeNEW—DatamuseNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSnoyes
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

Crawlee vs Datamuse: common questions

Which is more reliable, Crawlee or Datamuse?

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

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

Can I call Crawlee and Datamuse from the browser?

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

Are Crawlee and Datamuse free for commercial use?

Crawlee has unclear commercial terms, and Datamuse 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.