Fixer API vs Umeå Open Data
Same instrument, two spec sheets — measured, not claimed.
Fixer API vs Umeå Open Data: common questions
Which is more reliable, Fixer API or Umeå Open Data?
On our scheduled checks, Umeå Open Data leads on measured uptime — Fixer API at —% versus Umeå Open Data 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 Umeå Open Data need an API key?
Umeå Open Data needs no key, while Fixer API requires a free API key. If you want to start calling without signup, reach for Umeå Open Data first.
Can I call Fixer API and Umeå Open Data from the browser?
Only Umeå Open Data 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 Umeå Open Data free for commercial use?
Fixer API has unclear commercial terms, and Umeå Open Data 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.