curl --request PUT \
  --url https://api.sanka.com/v1/public/items/{item_id} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "externalId": "<string>",
  "name": "<string>",
  "description": "<string>",
  "currency": "<string>",
  "price": 123,
  "purchasePrice": 123,
  "tax": 123,
  "status": "<string>"
}
'

{
  "ok": true,
  "status": "<string>",
  "external_id": "<string>",
  "item_id": "<string>",
  "ctx_id": "<string>"
}