/// <summary>
/// POST /paymentMethods API call async
/// </summary>
/// <param name="paymentMethodsRequest"></param>
/// <returns>PaymentMethodsResponse</returns>
public async Task <PaymentMethodsResponse> PaymentMethodsAsync(PaymentMethodsRequest paymentMethodsRequest)
{
var jsonRequest = Util.JsonOperation.SerializeRequest(paymentMethodsRequest);
var jsonResponse = await _paymentMethods.RequestAsync(jsonRequest);
return(JsonConvert.DeserializeObject <PaymentMethodsResponse>(jsonResponse));
}