curl --request GET \
  --url https://api.comm.com/api/v1/countries \
  --header 'Authorization: Bearer <token>'

{
  "data": [
    {
      "id": 123,
      "iso": "<string>",
      "name": "<string>",
      "nicename": "<string>",
      "iso3": "<string>",
      "numcode": 123,
      "phonecode": 123,
      "has_states": true,
      "sender_id": true
    }
  ]
}