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Address lookup API

UK and international

These endpoints return address information when given a postcode, part of an address or a coordinate position. They provide you with access to addresses in the Royal Mail PAF and Multiple Residence datasets, and addresses in global datasets covering 240+ countries including Eircode, USPS ZIP+4 and HERE.

addressReturns one or more full addresses with optional coordinates for a given postcode or part of an address. Supports over 240 countries and provides UK postcode lookup, Irish Eircode lookup, global address lookup and international geocoding.
autocomplete/findReturns one or more address suggestions as a UK or Irish address is being typed.
autocomplete/retrieveReturns the full address for a given suggestion ID returned by the /autocomplete/find endpoint above.
udprnReturns the full address for a given Royal Mail UDPRN.
streetReturns one or more street addresses for a given UK postcode.
nybReturns one or more Royal Mail Not Yet Built addresses for a given UK postcode.
positionReturns the coordinates for a given UK postcode or Irish Eircode.
rgeoReturns one or more street / full addresses for a given coordinate position in the UK or Ireland.

AddressBase

These endpoints return Ordnance Survey property records for England, Scotland and Wales using the AddressBase Core and AddressBase Premium datasets.

addressbaseReturns one or more property records with an associated Delivery Point Address (DPA) record that matches a given postcode or part of an address.
pafaddressbaseReturns one or more Royal Mail PAF addresses for a given postcode or part of an address, enriched with data from the associated property records.
addressbase/uprnReturns the property record for a given Ordnance Survey UPRN.
addressbase/dpaReturns one or more property records with an associated Delivery Point Address (DPA) record that matches a given postcode or part of an address.
addressbase/lpiReturns one or more property records with an associated Local Property Identifier (LPI) record that matches a given postcode or part of address.
addressbase/dpalpiRefer to the addressbase/lpi endpoint which now works in the same way as this original endpoint.