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