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developer.parliament.uk/

UK Parliament Data APIs

Freeauth: noneCustom#research-grey-literature#uk#parliament#api#open-data#government✓ verified Nov 10, 2026

UK Parliament Data APIs

The UK Parliament developer hub lists keyless JSON APIs for Members, Bills, Commons and Lords votes, committees and related Parliamentary records. The hub says: "Resources for developers, including a directory of open data APIs which allow Parliamentary data to be shared publicly. All data is made available under the Open Parliament Licence."

Required Attribution:

Required: "Contains Parliamentary information licensed under the Open Parliament Licence v3.0."

Coverage

APIs named on the developer hub’s directory: Bills, Committees, Commons Votes, Deposited Papers, Erskine May, Interests, Lords Business API, Lords Votes, Members, Parliament Now, Statutory Instruments and Web Search, plus unnamed oral-questions/motions and treaties APIs. History and update frequency: Not stated.

Verdict

Keyless JSON APIs for UK Parliament members, bills, Commons/Lords votes, committees, written questions and related records. Licensed Custom (Open Parliament Licence v3.0): "The Licensor grants you a worldwide, royalty-free, perpetual, non-exclusive licence to use the information subject to the conditions below", including the right to "exploit the information commercially and non-commercially, for example, by combining it with other information, or by including it in your own product or application". Required attribution: "Contains Parliamentary information licensed under the Open Parliament Licence v3.0." The licence does not cover "personal data in the information;" among its other exemptions, and it does not let users "use the information in a way that suggests any official status or that the Licensor endorses you or your use of the Information." Rate limits: Not stated. Signal Lab links only.

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