Bitmex vs Blockchair

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

Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms
P95 · ms
AuthapiKeynone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — key may be requiredFree — limits not published
Rate limit300 req/window · 299 remaining · resets 1783520161Unpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Bitmex vs Blockchair: common questions

Which is more reliable, Bitmex or Blockchair?

On our scheduled checks, Blockchair leads on measured uptime — Bitmex at —% versus Blockchair 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 Bitmex and Blockchair need an API key?

Blockchair needs no key, while Bitmex requires a free API key. If you want to start calling without signup, reach for Blockchair first.

Can I call Bitmex and Blockchair from the browser?

Only Blockchair is browser-friendly — it returns CORS headers over HTTPS. Bitmex needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are Bitmex and Blockchair free for commercial use?

Bitmex has unclear commercial terms, and Blockchair 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.