City, Lviv vs FastDOL

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

Uptime · 30d
Uptime · 90d74.5%100%
Uptime · 30d70.0%100%
P50 · ms965680
P95 · ms23011725
AuthnoneapiKey
CORSnono
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — key may be required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

City, Lviv vs FastDOL: common questions

Which is more reliable, City, Lviv or FastDOL?

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

FastDOL has the lower median latency in our checks — City, Lviv responds in 965 ms versus FastDOL at 680 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 FastDOL need an API key?

City, Lviv needs no key, while FastDOL requires a free API key. If you want to start calling without signup, reach for City, Lviv first.

Can I call City, Lviv and FastDOL from the browser?

Neither sends browser-friendly CORS headers reliably, so call City, Lviv and FastDOL from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.

Are City, Lviv and FastDOL free for commercial use?

City, Lviv has unclear commercial terms, and FastDOL 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.