curl --request PATCH \
  --url https://api.maesn.dev/accounting/items/{itemId} \
  --header 'Content-Type: application/json' \
  --header 'X-ACCOUNT-KEY: <x-account-key>' \
  --header 'X-API-KEY: <x-api-key>' \
  --data '{
  "assetAccountId": "80",
  "expenseAccountId": "81",
  "incomeAccountId": "79",
  "inventoryStartDate": "2021-01-01",
  "itemNumber": "12345-A",
  "name": "Handmade Plastic Chair",
  "priceIncludesTax": true,
  "stockCount": 11,
  "taxCode": "TAX19",
  "taxRatePercentage": 19,
  "type": "PRODUCT",
  "unitName": "PIECE",
  "unitPurchasePrice": 10,
  "unitSalesPrice": 20.5
}'

{
  "meta": {
    "warnings": [
      "Field not used by target system"
    ],
    "pagination": {
      "total": 123,
      "perPage": 123,
      "currentPage": 123,
      "totalPages": 123
    }
  },
  "data": {
    "id": "02c74e8a-b95b-ef11-bfe2-002248e5aac5",
    "assetAccountId": "80",
    "expenseAccountId": "81",
    "incomeAccountId": "79",
    "inventoryStartDate": "2021-01-01",
    "itemNumber": "12345-A",
    "lastModifiedDate": "2021-01-01T00:00:00Z",
    "name": "Handmade Plastic Chair",
    "priceIncludesTax": true,
    "stockCount": 11,
    "taxCode": "TAX19",
    "taxRatePercentage": 19,
    "type": "PRODUCT",
    "unitName": "PIECE",
    "unitPurchasePrice": 10,
    "unitSalesPrice": 20.5
  }
}