curl --request GET \
  --url https://api.example.com/{version}/counterparties/retrieve/{id} \
  --header 'Authorization: Bearer <token>'

{
  "id": 123,
  "owner_party_type": "<string>",
  "owner_party_id": 123,
  "relationship_type": "<string>",
  "created_at": "2023-11-07T05:31:56Z",
  "updated_at": "2023-11-07T05:31:56Z",
  "party": {
    "id": 123,
    "fullname": "<string>",
    "created_at": "2023-11-07T05:31:56Z",
    "updated_at": "2023-11-07T05:31:56Z",
    "email": "<string>",
    "phone": "<string>",
    "country_code": "<string>"
  }
}