Currents vs MarketAux
Same instrument, two spec sheets — measured, not claimed.
Currents vs MarketAux: common questions
Which is more reliable, Currents or MarketAux?
On our scheduled checks, MarketAux leads on measured uptime — Currents at —% versus MarketAux 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 Currents and MarketAux need an API key?
Both ask you to authenticate — Currents uses an API key and MarketAux 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 Currents and MarketAux from the browser?
Only MarketAux is browser-friendly — it returns CORS headers over HTTPS. Currents needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are Currents and MarketAux free for commercial use?
Currents has unclear commercial terms, and MarketAux 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.