Coinlayer vs OKEx

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

Uptime · 30d
Uptime · 90d99.02%85.3%
Uptime · 30d98.3%96.7%
P50 · ms467192
P95 · ms1716490
AuthapiKeyapiKey
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — key may be requiredFree tier — API key required
Rate limitUnpublishedRetry-After: 0s
In directory since2026-07-052026-07-05
operationalpartialdownno data

Coinlayer vs OKEx: common questions

Which is more reliable, Coinlayer or OKEx?

On our scheduled checks, Coinlayer leads on measured uptime — Coinlayer 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, Coinlayer or OKEx?

OKEx has the lower median latency in our checks — Coinlayer responds in 467 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 Coinlayer and OKEx need an API key?

Both ask you to authenticate — Coinlayer 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 Coinlayer and OKEx from the browser?

Yes — both Coinlayer and OKEx send CORS headers over HTTPS, so front-end code can fetch either directly with no backend proxy. That makes them easy to swap in a client-side app while you compare responses.

Are Coinlayer and OKEx free for commercial use?

Coinlayer 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.