curl --request GET \
  --url https://openapi.pluuug.com/v1/estimate/item/{item_id}

{
  "id": 123,
  "title": "<string>",
  "unitCost": "<string>",
  "unit": "<string>",
  "image": "<string>",
  "description": "<string>",
  "classification": {
    "id": 123,
    "title": "<string>"
  }
}