public IActionResult GetRatesByCurrency(string id, double amount, string currencyTo)
        {
            var url    = "https://api.exchangerate.host/latest?base=" + id;
            var client = new WebClient();

            var    response     = client.DownloadString(url);
            var    jsonModel    = JsonConvert.DeserializeObject <CurrencyRates>(response);
            double valueConvert = 0;

            if (amount > 0)
            {
                var   currencies = new Currencies();
                float rate       = (float)jsonModel.rates[currencyTo];
                valueConvert = currencies.CalculateExchange(amount, rate);
            }
            return(Ok(new { jsonModel.@base, jsonModel.date, valueConvert, jsonModel.rates }));
        }