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CPFHub vs Data.gov

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

APICPFHubNEW—Data.govNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeynone
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

CPFHub vs Data.gov: common questions

Which is more reliable, CPFHub or Data.gov?

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

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

Can I call CPFHub and Data.gov from the browser?

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

Are CPFHub and Data.gov free for commercial use?

CPFHub 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.