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Frankfurter vs FXMacroData

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

APIFrankfurterHEALTHY—FXMacroDataNEW—
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 required
Rate limitUnpublished, generousUnpublished
In directory since2026-05-022026-07-05
operationalpartialdownno data

Frankfurter vs FXMacroData: common questions

Which is more reliable, Frankfurter or FXMacroData?

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

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

Can I call Frankfurter and FXMacroData from the browser?

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

Are Frankfurter and FXMacroData free for commercial use?

Frankfurter allows commercial use on its free tier, and FXMacroData 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.