EPA vs OpenMercantil
Same instrument, two spec sheets — measured, not claimed.
EPA vs OpenMercantil: common questions
Which is more reliable, EPA or OpenMercantil?
On our scheduled checks, OpenMercantil leads on measured uptime — EPA at 54.9% versus OpenMercantil at 93.1% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.
Which is faster, EPA or OpenMercantil?
OpenMercantil has the lower median latency in our checks — EPA responds in 3150 ms versus OpenMercantil at 116 ms (P50). Tail latency (P95) is in the table above; for most workloads the median is the number that shapes how the API feels.
Do EPA and OpenMercantil need an API key?
Neither needs a paid key — EPA 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 EPA and OpenMercantil from the browser?
Yes — both EPA 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 EPA and OpenMercantil free for commercial use?
EPA 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.