UK Parliament

UK Parliament Members API

Open JSON API for current and former Members of the House of Commons and House of Lords. No authentication required.

Data model

• Member — id, display names, party (latestParty), house membership (latestHouseMembership), thumbnail URL.
• Constituency — Westminster constituencies with currentRepresentation linking to the sitting MP where applicable.
• Synopsis — Short HTML biography string from /Members/{id}/Synopsis (contains <a> links to parliament.uk paths).

Query parameters

• Members/Search — Name (search string), skip, take (page size).
• Location/Constituency/Search — searchText, skip, take.

Gotchas

• Member and constituency IDs are integers in the API.
• Synopsis value is HTML, not plain text.
• Results may include both Commons and Lords for broad name searches.