FPX-Lib

.Net Lib to make transaction with FPX (Malaysian online payment system)

to use FPX, you need merchant certificate, merchant key and exchange certificate, which can obtain from https://fpxexchange.myclear.org.my:8443/MerchantIntegrationKit/ given you already registered with FPX and have merchant ID.

#How to use: First need to initialize the certificates, only once in your project:

string key_file = Server.MapPath("~/res/fpx/MercKey.key");
string cert_file = Server.MapPath("~/res/fpx/ExCert.cer");        

FPXCertificateController.Initialize(key_file, new SingleFileCertificateProvider(cert_file));

Then you can create transactions and submit to FPX:

var fpx_merch = new FPXMerchant() { MerchantID = "[MercID]", ExchangeID = "[Exchange Code]", BankCode = "01" };
var fpx_buyer = new FPXBuyer() { };
var fpx_transaction = new FPXTransaction(fpx_merch)
        {
            Amount = 120.45m, // Amount
            Currency = FPXSupportedCurrencies.MYR,
            OrderNo = "[Order No]",
            Date = DateTime.Today,
            ProductDescription = "[Description]",
            Buyer = fpx_buyer,
            ExOrderNo = [Extra Order No]
        };
var fpx_message = new FPXMessage(fpx_transaction);

FPX message need to submit through HTTP Request, this library help you to build the form with required values:

form1.Action = Constant.FPX_Production_Service_URL; //can use FPX_Test_Service_URL for UAT and testing
FPXWebHelper.AddHiddenFields(form1, fpx_message);

This will redirect the user to FPX payment gateway. After tranasction is done, the FPX will redirect user to either Direct or Indirect page, based on merchant settings. Following example shows how the status can be checked:

var fpx_res = new FPXResponse(this);
if (fpx_res.PaymentIsSuccessful)
{
    // successful transaction           
}
else
{
    // transaction failed
}