City, Gdynia vs Federal Register

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

Uptime · 30d
Uptime · 90d100%98.0%
Uptime · 30d100%98.3%
P50 · ms1230478
P95 · ms39333165
Authnonenone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearyes
Data licenseUnverifiedUS Government work — public domain
Free tierFree / open dataFree — no key or signup required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

City, Gdynia vs Federal Register: common questions

Which is more reliable, City, Gdynia or Federal Register?

On our scheduled checks, City, Gdynia leads on measured uptime — City, Gdynia at 100% versus Federal Register at 98.0% 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 Federal Register?

Federal Register has the lower median latency in our checks — City, Gdynia responds in 1230 ms versus Federal Register at 478 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 Federal Register need an API key?

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

Can I call City, Gdynia and Federal Register from the browser?

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

Are City, Gdynia and Federal Register free for commercial use?

City, Gdynia has unclear commercial terms, and Federal Register allows commercial use on its free tier. 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.