curl --request GET \
  --url https://app.sphinxhq.com/api/customers/ \
  --header 'Authorization: Bearer <token>'

{
  "count": 123,
  "results": [
    {
      "id": 123,
      "external_id": "<string>",
      "full_name": "<string>",
      "customer_type": "INDIVIDUAL",
      "input_details": {},
      "delete_after": 123,
      "created_at": "2023-11-07T05:31:56Z",
      "updated_at": "2023-11-07T05:31:56Z",
      "parent": 123
    }
  ],
  "next": "http://api.example.org/accounts/?page=4",
  "previous": "http://api.example.org/accounts/?page=2"
}