johnoke

public static DateTime FormatDate(string date) 
{ 

    DateTime startDate;
    string[] formats = { "dd/MM/yyyy", "dd/M/yyyy", "d/M/yyyy", "d/MM/yyyy",
            "dd/MM/yy", "dd/M/yy", "d/M/yy", "d/MM/yy", "MM/dd/yyyy", "M/dd/yyyy", "M/d/yyyy", "MM/d/yyyy",
            "MM/dd/yy", "yyyy/M/dd", "yyyy/MM/dd", "yyyy-MM-dd", "dd-MM-yyyy", "dd-MMMM-yyyy", "dd-M-yyyy", "d-M-yyyy", "d-MM-yyyy", "dd-MMM-yyyy",  "dd-MMM-y", "dd-MMMM-y"};

    if (!DateTime.TryParseExact(date, formats, null, DateTimeStyles.None, out startDate))
    {

johnoke

Here are some products that you can use to build your fintech app

## SMS 

Termii 
Twilio
Interswitch Digital (Vanso)

## Card and account charge

johnoke

var client = new QBitNinjaClient("http://api.qbit.ninja/", Network.Main);
var transactionId = uint256.Parse("sourceTransactionId");
var transactionResponse = client.GetTransaction(transactionId).Result;

Console.WriteLine(transactionResponse.TransactionId); //
Console.WriteLine(transactionResponse.Block.Confirmations);

BitcoinSecret sender = new BitcoinSecret("senderPrivateKey");
var receivedCoins = transactionResponse.ReceivedCoins;
OutPoint outPointToSpend = null;