City, Helsinki vs Gazette Data, UK

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

Uptime · 30d
Uptime · 90d52.9%100%
Uptime · 30d45.0%100%
P50 · ms7101152
P95 · ms20523390
AuthnoneapiKey
CORSnono
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

City, Helsinki vs Gazette Data, UK: common questions

Which is more reliable, City, Helsinki or Gazette Data, UK?

On our scheduled checks, Gazette Data, UK leads on measured uptime — City, Helsinki at 52.9% versus Gazette Data, UK 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, Helsinki or Gazette Data, UK?

City, Helsinki has the lower median latency in our checks — City, Helsinki responds in 710 ms versus Gazette Data, UK at 1152 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, Helsinki and Gazette Data, UK need an API key?

City, Helsinki needs no key, while Gazette Data, UK requires a free API key. If you want to start calling without signup, reach for City, Helsinki first.

Can I call City, Helsinki and Gazette Data, UK from the browser?

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

Are City, Helsinki and Gazette Data, UK free for commercial use?

City, Helsinki has unclear commercial terms, and Gazette Data, UK 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.