The CAF (Corporate Address File) consists of an API that exposes a REST/JSON web service to the official address point database. The API exposes HTTP GET calls for searching and retrieving addresses and roads via secure HTTPS communication.
This site provides general documentation for developers explaining how to get started with the API.
The Corporate Address File is a licensed product operated on behalf of the States of Guernsey by Digimap. In order to obtain access for testing or production use you will require credentials for authentication. Access is arranged by contacting us. Please see http://www.digimap.gg/products/corporate-address-file/ details.