Blockchain vs OKEx
Same instrument, two spec sheets — measured, not claimed.
Blockchain vs OKEx: common questions
Which is more reliable, Blockchain or OKEx?
On our scheduled checks, OKEx leads on measured uptime — Blockchain at —% versus OKEx 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 Blockchain and OKEx need an API key?
Both ask you to authenticate — Blockchain uses an API key and OKEx uses an API key. Each key is free to obtain; the Auth and Card-required rows above spell out the signup terms.
Can I call Blockchain and OKEx from the browser?
Only OKEx is browser-friendly — it returns CORS headers over HTTPS. Blockchain needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are Blockchain and OKEx free for commercial use?
Blockchain has unclear commercial terms, and OKEx 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.