Fixer vs Unirate
Same instrument, two spec sheets — measured, not claimed.
Fixer vs Unirate: common questions
Which is more reliable, Fixer or Unirate?
On our scheduled checks, Unirate leads on measured uptime — Fixer at —% versus Unirate 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 and Unirate need an API key?
Both ask you to authenticate — Fixer uses an API key and Unirate 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 and Unirate from the browser?
Yes — both Fixer and Unirate 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 Fixer and Unirate free for commercial use?
Fixer has unclear commercial terms, and Unirate 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.