ValidEU API vs Wikipedia REST
Same instrument, two spec sheets — measured, not claimed.
ValidEU API vs Wikipedia REST: common questions
Which is more reliable, ValidEU API or Wikipedia REST?
Both are neck-and-neck — ValidEU API and Wikipedia REST 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, ValidEU API or Wikipedia REST?
Wikipedia REST has the lower median latency in our checks — ValidEU API responds in 273 ms versus Wikipedia REST at 98 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 Wikipedia REST need an API key?
Wikipedia REST needs no key, while ValidEU API requires a free API key. If you want to start calling without signup, reach for Wikipedia REST first.
Can I call ValidEU API and Wikipedia REST from the browser?
Only Wikipedia REST 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 Wikipedia REST free for commercial use?
ValidEU API has unclear commercial terms, and Wikipedia REST allows commercial use on its free tier. 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.