curl --request POST \
  --url http://localhost:3000/api/v1/imputations/ \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --data '
{
  "reference": "<string>",
  "account": "<string>",
  "amount": 123,
  "contractId": "<string>",
  "orderId": "<string>",
  "currency": "<string>",
  "notes": "<string>",
  "createdAt": "<unknown>",
  "updatedAt": "<unknown>"
}
'

{
  "id": "imp_01",
  "reference": "ORD-2025-0001",
  "orderId": "ord_01",
  "account": "6001-Gastos Operativos",
  "amount": 1500,
  "currency": "USD"
}