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Frankfurter vs MEXC Global API

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

APIFrankfurterHEALTHY—MEXC Global APINEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthnoneapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useyesunclear
Data licensePublic data (ECB reference rates)Unverified
Free tierUnlimited — abuse-rate-limited onlyFree tier — API key may be required for production
Rate limitUnpublished, generousUnpublished
In directory since2026-05-022026-07-05
operationalpartialdownno data

Frankfurter vs MEXC Global API: common questions

Which is more reliable, Frankfurter or MEXC Global API?

On our scheduled checks, MEXC Global API leads on measured uptime — Frankfurter at —% versus MEXC Global API 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 Frankfurter and MEXC Global API need an API key?

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

Can I call Frankfurter and MEXC Global API from the browser?

Only Frankfurter 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 Frankfurter and MEXC Global API free for commercial use?

Frankfurter allows commercial use on its free tier, 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.