City, Lviv vs OpenMercantil

Same instrument, two spec sheets — measured, not claimed.

Uptime · 30d
Uptime · 90d74.5%93.1%
Uptime · 30d70.0%98.3%
P50 · ms965116
P95 · ms23013973
Authnonenone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree — anonymous, no key
Rate limitUnpublished60 req/min, 200 req/day per IP (anonymous)
In directory since2026-07-052026-07-05
operationalpartialdownno data

City, Lviv vs OpenMercantil: common questions

Which is more reliable, City, Lviv or OpenMercantil?

On our scheduled checks, OpenMercantil leads on measured uptime — City, Lviv at 74.5% 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, City, Lviv or OpenMercantil?

OpenMercantil has the lower median latency in our checks — City, Lviv responds in 965 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 City, Lviv and OpenMercantil need an API key?

Neither needs a paid key — City, Lviv 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 City, Lviv and OpenMercantil from the browser?

Only OpenMercantil 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 OpenMercantil free for commercial use?

City, Lviv 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.