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ValidEU API vs Zenodo

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

APIValidEU APIHEALTHY97ZenodoHEALTHY59
Uptime · 30d
Uptime · 90d100%99.02%
Uptime · 30d100%100%
P50 · ms2731698
P95 · ms7864935
AuthapiKeynone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree — limits not published
Rate limitUnpublished30 req/window · 29 remaining · resets 1783516620
In directory since2026-07-052026-07-05
operationalpartialdownno data

ValidEU API vs Zenodo: common questions

Which is more reliable, ValidEU API or Zenodo?

On our scheduled checks, ValidEU API leads on measured uptime — ValidEU 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, ValidEU API or Zenodo?

ValidEU API has the lower median latency in our checks — ValidEU API responds in 273 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 ValidEU API and Zenodo need an API key?

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

Can I call ValidEU API and Zenodo from the browser?

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

Are ValidEU API and Zenodo free for commercial use?

ValidEU 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.