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Data.parliament.uk vs Open Government, Canada

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

APIData.parliament.ukHEALTHY95Open Government, CanadaHEALTHY63
Uptime · 30d
Uptime · 90d99.02%99.02%
Uptime · 30d100%100%
P50 · ms362975
P95 · ms39542437
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useyesyes
Data licenseOpen Parliament LicenceOpen Government Licence – Canada
Free tierFree / open dataFree / open data
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Data.parliament.uk vs Open Government, Canada: common questions

Which is more reliable, Data.parliament.uk or Open Government, Canada?

Both are neck-and-neck — Data.parliament.uk and Open Government, Canada each measure 99.02% uptime over 90 days on our probe schedule. Reliability here is verified from our own scheduled checks; use the 30-day bars above to see which has been steadier lately.

Which is faster, Data.parliament.uk or Open Government, Canada?

Data.parliament.uk has the lower median latency in our checks — Data.parliament.uk responds in 362 ms versus Open Government, Canada at 975 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 Data.parliament.uk and Open Government, Canada need an API key?

Neither needs a paid key — Data.parliament.uk is callable with no signup, and Open Government, Canada is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call Data.parliament.uk and Open Government, Canada from the browser?

Yes — both Data.parliament.uk and Open Government, Canada 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 Data.parliament.uk and Open Government, Canada free for commercial use?

Data.parliament.uk allows commercial use on its free tier, and Open Government, Canada 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.