City, Gdynia vs Data.gov

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

Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms1230931
P95 · ms39332035
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 Data.gov: common questions

Which is more reliable, City, Gdynia or Data.gov?

Both are neck-and-neck — City, Gdynia and Data.gov each measure 100% uptime over 90 days on our probe schedule. Reliability here is verified from our own scheduled checks; use the 30-day bars above to see which has been steadier lately.

Which is faster, City, Gdynia or Data.gov?

Data.gov has the lower median latency in our checks — City, Gdynia responds in 1230 ms versus Data.gov at 931 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 Data.gov need an API key?

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

Can I call City, Gdynia and Data.gov from the browser?

Neither sends browser-friendly CORS headers reliably, so call City, Gdynia and Data.gov 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 Data.gov free for commercial use?

City, Gdynia has unclear commercial terms, and Data.gov 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.