OpenCorporates vs Wikidata
Same instrument, two spec sheets — measured, not claimed.
OpenCorporates vs Wikidata: common questions
Which is more reliable, OpenCorporates or Wikidata?
On our scheduled checks, Wikidata leads on measured uptime — OpenCorporates at —% versus Wikidata at —% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.
Do OpenCorporates and Wikidata need an API key?
Wikidata needs no key, while OpenCorporates requires a free API key. If you want to start calling without signup, reach for Wikidata first.
Can I call OpenCorporates and Wikidata from the browser?
Neither sends browser-friendly CORS headers reliably, so call OpenCorporates and Wikidata from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.
Are OpenCorporates and Wikidata free for commercial use?
OpenCorporates has unclear commercial terms, and Wikidata 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.