Data USA vs OpenMercantil
Same instrument, two spec sheets — measured, not claimed.
Data USA vs OpenMercantil: common questions
Which is more reliable, Data USA or OpenMercantil?
On our scheduled checks, OpenMercantil leads on measured uptime — Data USA at —% versus OpenMercantil 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 Data USA and OpenMercantil need an API key?
Neither needs a paid key — Data USA is callable with no signup, and OpenMercantil is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call Data USA and OpenMercantil from the browser?
Yes — both Data USA and OpenMercantil 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 Data USA and OpenMercantil free for commercial use?
Data USA has unclear commercial terms, and OpenMercantil 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.