City, Lviv vs FEC
Same instrument, two spec sheets — measured, not claimed.
City, Lviv vs FEC: common questions
Which is more reliable, City, Lviv or FEC?
On our scheduled checks, FEC leads on measured uptime — City, Lviv at 74.5% versus FEC at 99.02% 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, City, Lviv or FEC?
City, Lviv has the lower median latency in our checks — City, Lviv responds in 965 ms versus FEC at 1602 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 City, Lviv and FEC need an API key?
City, Lviv needs no key, while FEC requires a free API key. If you want to start calling without signup, reach for City, Lviv first.
Can I call City, Lviv and FEC from the browser?
Only FEC is browser-friendly — it returns CORS headers over HTTPS. City, Lviv needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are City, Lviv and FEC free for commercial use?
City, Lviv has unclear commercial terms, and FEC 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.