EPA vs PermisAPI
Same instrument, two spec sheets — measured, not claimed.
EPA vs PermisAPI: common questions
Which is more reliable, EPA or PermisAPI?
On our scheduled checks, PermisAPI leads on measured uptime — EPA at 54.9% versus PermisAPI at 100% 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 PermisAPI?
PermisAPI has the lower median latency in our checks — EPA responds in 3150 ms versus PermisAPI at 1125 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 PermisAPI need an API key?
EPA needs no key, while PermisAPI requires a free API key. If you want to start calling without signup, reach for EPA first.
Can I call EPA and PermisAPI from the browser?
Only EPA is browser-friendly — it returns CORS headers over HTTPS. PermisAPI needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are EPA and PermisAPI free for commercial use?
EPA has unclear commercial terms, and PermisAPI 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.