Wikidata vs Zenodo
Same instrument, two spec sheets — measured, not claimed.
Wikidata vs Zenodo: common questions
Which is more reliable, Wikidata or Zenodo?
On our scheduled checks, Wikidata leads on measured uptime — Wikidata 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, Wikidata or Zenodo?
Wikidata has the lower median latency in our checks — Wikidata responds in 585 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 Wikidata and Zenodo need an API key?
Neither needs a paid key — Wikidata 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 Wikidata and Zenodo from the browser?
Only Zenodo is browser-friendly — it returns CORS headers over HTTPS. Wikidata needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are Wikidata and Zenodo free for commercial use?
Wikidata 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.