Datasette vs MarketAux
Same instrument, two spec sheets — measured, not claimed.
Datasette vs MarketAux: common questions
Which is more reliable, Datasette or MarketAux?
On our scheduled checks, Datasette leads on measured uptime — Datasette at 100% versus MarketAux at 0.0% 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 Datasette and MarketAux need an API key?
Datasette needs no key, while MarketAux requires a free API key. If you want to start calling without signup, reach for Datasette first.
Can I call Datasette and MarketAux from the browser?
Only Datasette is browser-friendly — it returns CORS headers over HTTPS. MarketAux needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are Datasette and MarketAux free for commercial use?
Datasette 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.