Crawlee vs Datamuse

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

Uptime · 30d
Uptime · 90d100%92.2%
Uptime · 30d100%86.7%
P50 · ms480180
P95 · ms1293926
Authnonenone
CORSnono
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, Crawlee leads on measured uptime — Crawlee at 100% versus Datamuse at 92.2% 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, Crawlee or Datamuse?

Datamuse has the lower median latency in our checks — Crawlee responds in 480 ms versus Datamuse at 180 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 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?

Neither sends browser-friendly CORS headers reliably, so call Crawlee and Datamuse from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.

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.