The Locations API is a collection of methods that support geographical information. The first method is an address lookup service for UK addresses. This service can be used to provide a new customer with a list of possible addresses from which they can populate a registration form.
curl \ -H "apiKey: $API_KEY" \ /countries/
curl \ -H "apiKey: $API_KEY" \ /currencies/
curl \ -H "apiKey: $API_KEY" \ /address/lookup/