City, Gdynia vs City, Helsinki

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

Uptime · 30d
Uptime · 90d99.44%47.8%
Uptime · 30d100%65.5%
P50 · ms624266
P95 · ms39332052
Authnonenone
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree / open dataFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

City, Gdynia vs City, Helsinki: common questions

Which is more reliable, City, Gdynia or City, Helsinki?

On our scheduled checks, City, Gdynia leads on measured uptime — City, Gdynia at 99.44% versus City, Helsinki at 47.8% 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, Gdynia or City, Helsinki?

City, Helsinki has the lower median latency in our checks — City, Gdynia responds in 624 ms versus City, Helsinki at 266 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, Gdynia and City, Helsinki need an API key?

Neither needs a paid key — City, Gdynia is callable with no signup, and City, Helsinki is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call City, Gdynia and City, Helsinki from the browser?

Only City, Gdynia is browser-friendly — it returns CORS headers over HTTPS. City, Helsinki needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are City, Gdynia and City, Helsinki free for commercial use?

City, Gdynia has unclear commercial terms, and City, Helsinki 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.