Currencyapi vs Fixer
Same instrument, two spec sheets — measured, not claimed.
Currencyapi vs Fixer: common questions
Which is more reliable, Currencyapi or Fixer?
On our scheduled checks, Fixer leads on measured uptime — Currencyapi at —% versus Fixer 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 Currencyapi and Fixer need an API key?
Both ask you to authenticate — Currencyapi uses an API key and Fixer 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 Currencyapi and Fixer from the browser?
Yes — both Currencyapi and Fixer send CORS headers over HTTPS, so front-end code can fetch either directly with no backend proxy. That makes them easy to swap in a client-side app while you compare responses.
Are Currencyapi and Fixer free for commercial use?
Currencyapi has unclear commercial terms, and Fixer 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.