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Eden vs Free Dictionary API

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

APIEdenREACHABLE100Free Dictionary APIHEALTHY90
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms475674
P95 · ms9262196
AuthapiKeynone
CORSyesyes
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

Eden vs Free Dictionary API: common questions

Which is more reliable, Eden or Free Dictionary API?

Both are neck-and-neck — Eden and Free Dictionary API each measure 100% uptime over 90 days on our probe schedule. Reliability here is verified from our own scheduled checks; use the 30-day bars above to see which has been steadier lately.

Which is faster, Eden or Free Dictionary API?

Eden has the lower median latency in our checks — Eden responds in 475 ms versus Free Dictionary API at 674 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 Eden and Free Dictionary API need an API key?

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

Can I call Eden and Free Dictionary API from the browser?

Yes — both Eden and Free Dictionary 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 Eden and Free Dictionary API free for commercial use?

Eden has unclear commercial terms, and Free Dictionary 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.