PASAR API · UNITED KINGDOM

APIs in United Kingdom

← directory

29 verified APIs for building in United Kingdom ~ 26 government / open-data sources plus commercial providers (payments, maps, banking, transit and more), each with auth, pricing and docs at a glance. Open the app to search, copy a snippet, or connect it to your AI agent.

Government services 15

• Companies House API ~ UK company registry, filings & officers UK Companies House · free
• data.gov.uk ~ UK open-data catalog UK Government Digital Service (GDS) · free · no-auth
• data.police.uk ~ street crime & stop-and-search UK Home Office / Police.uk · free · no-auth
• Food Standards Agency ~ food hygiene ratings (FHRS) Food Standards Agency · free · no-auth
• UK Parliament ~ Members API (MPs, Lords, voting) UK Parliament · free · no-auth
• UK Parliament ~ Bills API (legislation & stages) UK Parliament · free · no-auth
• UK Parliament ~ Hansard API (debate transcripts) UK Parliament · free · no-auth
• UK Parliament ~ Erskine May API (procedure manual) UK Parliament · free · no-auth
• GOV.UK ~ Content API (every gov.uk page as JSON) Government Digital Service · free · no-auth
• GOV.UK ~ Bank Holidays JSON (England/Scotland/NI) Government Digital Service · free · no-auth
• Charity Commission ~ Register of Charities API Charity Commission for England and Wales · free
• mySociety ~ TheyWorkForYou parliamentary API mySociety · freemium
• DVLA ~ Vehicle Enquiry Service (lookup by plate) Driver & Vehicle Licensing Agency · free
• DVSA ~ MOT History API (test results & mileage) Driver & Vehicle Standards Agency · free
• NHS ~ Website Content API (Health A-Z, medicines) NHS England · free

Data & enrichment 4

• ONS ~ UK national statistics API Office for National Statistics (UK) · free · no-auth
• Environment Agency ~ hydrology: rainfall & river flow Environment Agency (Defra) · free · no-auth
• Met Office ~ Weather DataHub (forecasts & models) Met Office · freemium
• The National Archives ~ Discovery catalogue API The National Archives · free · no-auth

Travel & mobility 3

• Transport for London ~ TfL Unified API Transport for London · free
• Realtime Trains ~ live GB train running & schedules Realtime Trains (Swift Media) · free
• DfT ~ Bus Open Data Service (timetables & live GPS) Department for Transport · free

Maps & location 2

• Postcodes.io ~ UK postcode geocoding API Ideal Postcodes (open-source project) · free · no-auth
• Ordnance Survey ~ OS Data Hub (Places, Names, Maps) Ordnance Survey · freemium

Realtime 2

• Environment Agency ~ real-time flood & river levels Environment Agency (Defra) · free · no-auth
• National Grid ESO ~ Carbon Intensity API National Energy System Operator (NESO) · free · no-auth

Property 1

• HM Land Registry ~ Price Paid linked data (SPARQL) HM Land Registry · free · no-auth

Banking & finance 1

• Bank of England ~ statistical database (IADB) Bank of England · free · no-auth

E-invoicing & tax 1

• HMRC ~ Developer Hub (Making Tax Digital APIs) HM Revenue & Customs · free