get https://api.apptoto.com/v1/address_books
Fetch the list of address books in current user's account.
Example Result:
{
address_books: [ {
id: 123,
name: "Apptoto Address Book",
writable: true,
email_address_types: ["home", "work"],
phone_number_types: ["mobile", "home", "work"]
}]
}