Free Dictionary API vs Zenodo

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

Uptime · 30d
Uptime · 90d100%99.02%
Uptime · 30d100%100%
P50 · ms6741698
P95 · ms21964935
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree — limits not published
Rate limitUnpublished30 req/window · 29 remaining · resets 1783516620
In directory since2026-07-052026-07-05
operationalpartialdownno data

Free Dictionary API vs Zenodo: common questions

Which is more reliable, Free Dictionary API or Zenodo?

On our scheduled checks, Free Dictionary API leads on measured uptime — Free Dictionary API at 100% versus Zenodo at 99.02% 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, Free Dictionary API or Zenodo?

Free Dictionary API has the lower median latency in our checks — Free Dictionary API responds in 674 ms versus Zenodo at 1698 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 Free Dictionary API and Zenodo need an API key?

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

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

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

Free Dictionary API has unclear commercial terms, and Zenodo 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.