curl --request POST \
  --url https://api.example.com/Proposta/CalcularGridParcelasSimplificado \
  --header 'Authorization: <api-key>' \
  --header 'Content-Type: application/json' \
  --header 'IdempotencyKey: <idempotencykey>' \
  --data '
{
  "parametros": [
    {
      "nome": "<string>",
      "valor": "<string>"
    }
  ]
}
'

{
  "msg": "<string>",
  "hasError": true,
  "messages": [
    {
      "code": "<string>",
      "context": "<string>",
      "description": "<string>",
      "field": "<string>"
    }
  ],
  "parcelas": [
    {
      "valorSolicitado": 123,
      "prazo": 123,
      "vlrParcela": 123,
      "vlrTAC": 123,
      "vlrBoleto": 123,
      "vlrSeguro": 123,
      "vlrIOF": 123,
      "percIOF": 123,
      "vlrTotalCredito": 123,
      "vlrTotalDivida": 123,
      "percCETMensal": 123,
      "percCETAnual": 123,
      "percJurosMensal": 123,
      "percJurosAnual": 123,
      "vlrRetencaoDiarioAprox": 123
    }
  ]
}