Mempool vs OKEx
Same instrument, two spec sheets — measured, not claimed.
Mempool vs OKEx: common questions
Which is more reliable, Mempool or OKEx?
On our scheduled checks, OKEx leads on measured uptime — Mempool at 92.7% versus OKEx at 96.1% 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, Mempool or OKEx?
Mempool has the lower median latency in our checks — Mempool responds in 68 ms versus OKEx at 306 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 Mempool and OKEx need an API key?
Mempool needs no key, while OKEx requires a free API key. If you want to start calling without signup, reach for Mempool first.
Can I call Mempool and OKEx from the browser?
Yes — both Mempool 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 Mempool and OKEx free for commercial use?
Mempool 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.