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City, Berlin vs CPFHub

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

APICity, BerlinNEW—CPFHubNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthnoneapiKey
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseVaries per dataset (many CC-BY / dl-de-by-2.0)Unverified
Free tierFree — limits not publishedFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

City, Berlin vs CPFHub: common questions

Which is more reliable, City, Berlin or CPFHub?

On our scheduled checks, CPFHub leads on measured uptime — City, Berlin at —% versus CPFHub 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, Berlin and CPFHub need an API key?

City, Berlin needs no key, while CPFHub requires a free API key. If you want to start calling without signup, reach for City, Berlin first.

Can I call City, Berlin and CPFHub from the browser?

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

Are City, Berlin and CPFHub free for commercial use?

City, Berlin has unclear commercial terms, and CPFHub 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.