const options = {method: 'GET', headers: {Authorization: 'Bearer <token>'}};

fetch('https://api.paddle.com/customers/{customer_id}/addresses/{address_id}', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

{
  "data": {
    "id": "add_01hv8gq3318ktkfengj2r75gfx",
    "status": "active",
    "customer_id": "ctm_01hv6y1jedq4p1n0yqn5ba3ky4",
    "description": "Head Office",
    "first_line": "4050 Jefferson Plaza, 41st Floor",
    "second_line": null,
    "city": "New York",
    "postal_code": "10021",
    "region": "NY",
    "country_code": "US",
    "custom_data": null,
    "created_at": "2024-04-12T06:42:58.785Z",
    "updated_at": "2024-04-12T06:42:58.785Z",
    "import_meta": null
  },
  "meta": {
    "request_id": "74671066-d786-4e0c-9eb4-418d168d3a19"
  }
}