curl --request GET \
  --url https://api.bizconnectpay.com/api/v1/cardholders/f1bdad5d-bb31-410d-869c-44a28e876ded \
  --header 'Accept: application/json' \
  --header 'Authorization: Bearer <access_token>'

{
  "success": true,
  "data": {
    "reference": "BCP-CUS-67804B24CF5D3",
    "first_name": "Amina",
    "last_name": "Ndiaye",
    "email": "amina@example.com",
    "country_code": "237",
    "contact": "690000000",
    "dob": "1995-04-18",
    "billing_name": "Amina Ndiaye",
    "is_business": false,
    "billing_address": "Bonamoussadi",
    "billing_city": "Douala",
    "billing_country": "CM",
    "billing_state": "Littoral",
    "billing_postal_code": "237",
    "id_number": "ID-CM-908172"
  },
  "meta": {
    "correlation_id": "28baf1e7-bdbf-409a-a330-da4641f877ba"
  }
}