curl --request GET \
  --url https://demo.onlinebillingform.com/api/v2/customer/lists \
  --header 'Authorization: Bearer <token>'

{
  "success": true,
  "users": [
    {
      "id": 4,
      "name": "Test User",
      "username": "test@baseserv.com",
      "email": "test@baseserv.com",
      "account_type": 2,
      "api_type": "sandbox",
      "mailing_contact": {
        "contact_name": "Test User",
        "phone": "03302207048",
        "email": "test@baseserv.com",
        "city": "Test City",
        "county_id": 1231,
        "country_id": 81
      }
    }
  ],
  "pagination": {
    "total": 1,
    "per_page": 15,
    "current_page": 1,
    "last_page": 1,
    "from": 1,
    "to": 1
  }
}