curl --request GET \
  --url https://api.smile.io/v1/points_products/{id} \
  --header 'Authorization: Bearer <token>'

{
  "points_product": {
    "id": 132456921,
    "exchange_type": "variable",
    "exchange_description": "100 Points = $1 off",
    "points_price": 123,
    "variable_points_step": 100,
    "variable_points_step_reward_value": 1,
    "variable_points_min": 100,
    "variable_points_max": 5000,
    "reward": {
      "id": 924565472,
      "name": "Order discount",
      "description": "<string>",
      "image_url": "https://platform-images.smilecdn.co/3755938.png",
      "created_at": "2024-04-04T15:10:42.030Z",
      "updated_at": "2024-04-04T15:10:42.030Z"
    },
    "created_at": "2024-04-04T15:10:42.030Z",
    "updated_at": "2024-04-04T15:10:42.030Z"
  }
}