curl --request GET \
  --url http://localhost/api/v3/customProducts/{customProduct}

{
  "data": {
    "id": 123,
    "name": "<string>",
    "description": "<string>",
    "barcode": "<string>",
    "sku": "<string>",
    "url": "<string>",
    "price": "<string>",
    "currency": "<string>",
    "image_url": "<string>",
    "product_id": "<string>",
    "created_at": "<string>",
    "updated_at": "<string>"
  }
}