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City, Gdynia vs City, Helsinki

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

APICity, GdyniaNEW—City, HelsinkiNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSnono
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, Helsinki leads on measured uptime — City, Gdynia at —% versus City, Helsinki at —% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

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?

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

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.