Currencylayer vs FXMacroData

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

Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms
P95 · ms
AuthapiKeyapiKey
CORSnono
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — key may be requiredFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Currencylayer vs FXMacroData: common questions

Which is more reliable, Currencylayer or FXMacroData?

On our scheduled checks, FXMacroData leads on measured uptime — Currencylayer 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 Currencylayer and FXMacroData need an API key?

Both ask you to authenticate — Currencylayer uses an API key and FXMacroData uses an API key. Each key is free to obtain; the Auth and Card-required rows above spell out the signup terms.

Can I call Currencylayer and FXMacroData from the browser?

Neither sends browser-friendly CORS headers reliably, so call Currencylayer and FXMacroData from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.

Are Currencylayer and FXMacroData free for commercial use?

Currencylayer has unclear commercial terms, 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.