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CPFHub vs Data.parliament.uk

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

APICPFHubNEW—Data.parliament.ukNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeynone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearyes
Data licenseUnverifiedOpen Parliament Licence
Free tierFree tier — API key requiredFree / open data
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

CPFHub vs Data.parliament.uk: common questions

Which is more reliable, CPFHub or Data.parliament.uk?

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

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

Can I call CPFHub and Data.parliament.uk from the browser?

Yes — both CPFHub and Data.parliament.uk send CORS headers over HTTPS, so front-end code can fetch either directly with no backend proxy. That makes them easy to swap in a client-side app while you compare responses.

Are CPFHub and Data.parliament.uk free for commercial use?

CPFHub has unclear commercial terms, and Data.parliament.uk 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.