curl --request GET \
  --url https://api.orafi.app/v1/customers/{customerId} \
  --header 'x-api-key: <api-key>'

{
  "success": true,
  "message": "Customer retrieved successfully",
  "data": {
    "id": "customer_abc123",
    "firstname": "John",
    "lastname": "Doe",
    "email": "john.doe@example.com",
    "totalSpent": 500.5,
    "createdAt": "2023-11-07T05:31:56Z"
  }
}