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Blockchain vs OKEx

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

APIBlockchainHEALTHY95OKExHEALTHY91
Uptime · 30d
Uptime · 90d99.02%85.3%
Uptime · 30d98.3%96.7%
P50 · ms445192
P95 · ms1114490
AuthapiKeyapiKey
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — key may be requiredFree tier — API key required
Rate limitRetry-After: 47655sRetry-After: 0s
In directory since2026-07-052026-07-05
operationalpartialdownno data

Blockchain vs OKEx: common questions

Which is more reliable, Blockchain or OKEx?

On our scheduled checks, Blockchain leads on measured uptime — Blockchain at 99.02% 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, Blockchain or OKEx?

OKEx has the lower median latency in our checks — Blockchain responds in 445 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 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.