BlockCypher vs OKEx
Same instrument, two spec sheets — measured, not claimed.
BlockCypher vs OKEx: common questions
Which is more reliable, BlockCypher or OKEx?
On our scheduled checks, OKEx leads on measured uptime — BlockCypher at 30.4% versus OKEx at 85.3% 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, BlockCypher or OKEx?
BlockCypher has the lower median latency in our checks — BlockCypher responds in 145 ms versus OKEx at 192 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 BlockCypher and OKEx need an API key?
BlockCypher needs no key, while OKEx requires a free API key. If you want to start calling without signup, reach for BlockCypher first.
Can I call BlockCypher and OKEx from the browser?
Only OKEx is browser-friendly — it returns CORS headers over HTTPS. BlockCypher needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are BlockCypher and OKEx free for commercial use?
BlockCypher 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.