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Fixer API vs French Business API

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

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

Fixer API vs French Business API: common questions

Which is more reliable, Fixer API or French Business API?

On our scheduled checks, French Business API leads on measured uptime — Fixer API at —% versus French Business 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 Fixer API and French Business API need an API key?

Both ask you to authenticate — Fixer API uses an API key and French Business API 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 Fixer API and French Business API from the browser?

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

Are Fixer API and French Business API free for commercial use?

Fixer API has unclear commercial terms, and French Business 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.