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