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Exchangerate.dev vs MEXC Global API

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

APIExchangerate.devDYING63MEXC Global APIHEALTHY100
Uptime · 30d
Uptime · 90d71.6%100%
Uptime · 30d51.7%100%
P50 · ms33687
P95 · ms807878
AuthnoneapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — API key may be required for production
Rate limit12 req/window · 11 remaining · resets 1783515720Unpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Exchangerate.dev vs MEXC Global API: common questions

Which is more reliable, Exchangerate.dev or MEXC Global API?

On our scheduled checks, MEXC Global API leads on measured uptime — Exchangerate.dev at 71.6% versus MEXC Global API at 100% 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, Exchangerate.dev or MEXC Global API?

MEXC Global API has the lower median latency in our checks — Exchangerate.dev responds in 336 ms versus MEXC Global API at 87 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 Exchangerate.dev and MEXC Global API need an API key?

Exchangerate.dev needs no key, while MEXC Global API requires a free API key. If you want to start calling without signup, reach for Exchangerate.dev first.

Can I call Exchangerate.dev and MEXC Global API from the browser?

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

Are Exchangerate.dev and MEXC Global API free for commercial use?

Exchangerate.dev has unclear commercial terms, and MEXC Global API 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.