Data.parliament.uk vs District of Columbia Open Data
Same instrument, two spec sheets — measured, not claimed.
Data.parliament.uk vs District of Columbia Open Data: common questions
Which is more reliable, Data.parliament.uk or District of Columbia Open Data?
On our scheduled checks, District of Columbia Open Data leads on measured uptime — Data.parliament.uk at —% versus District of Columbia Open Data 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 Data.parliament.uk and District of Columbia Open Data need an API key?
Neither needs a paid key — Data.parliament.uk is callable with no signup, and District of Columbia Open Data is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call Data.parliament.uk and District of Columbia Open Data from the browser?
Yes — both Data.parliament.uk and District of Columbia Open Data 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 District of Columbia Open Data free for commercial use?
Data.parliament.uk allows commercial use on its free tier, and District of Columbia Open Data 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.