curl --request GET \
  --url https://{operatorDomain}/v1/admin/finance/payment-instruments/{id} \
  --header 'Authorization: Bearer <token>'

{
  "data": {
    "id": "<string>",
    "type": "card",
    "label": "<string>",
    "last4": "<string>",
    "currency": "<string>"
  }
}