Data.parliament.uk API vs REST Countries
Same instrument, two spec sheets — measured, not claimed.
Data.parliament.uk API vs REST Countries: common questions
Which is more reliable, Data.parliament.uk API or REST Countries?
Only REST Countries is on our probe schedule so far (—% uptime over 90 days). The other is catalogued but not yet live-checked, so we can't compare measured reliability head-to-head — check the uncovered API's own status page for now.
Do Data.parliament.uk API and REST Countries need an API key?
REST Countries needs no key, while Data.parliament.uk API requires a free API key. If you want to start calling without signup, reach for REST Countries first.
Can I call Data.parliament.uk API and REST Countries from the browser?
Yes — both Data.parliament.uk API and REST Countries 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 API and REST Countries free for commercial use?
Data.parliament.uk API has unclear commercial terms, and REST Countries 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.