How to apply Server to Server Communication (In Payment Gategay)

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Hello Everyone,
I am applying Payment Gateway in my website through SBI Net Banking.
I have done Transaction Process between my site to SBI Site..
But the next Step is "Double Verification from Merchant Server to SBI Server " but i don't have any idea for it.

Please give me some idea for "Double Verification from Merchant Server to SBI Server"

Posted 5-Feb-15 22:11pm

aarif moh shaikh

Updated 14-Apr-15 0:29am

v2

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Garth J Lancaster 6-Feb-15 4:27am

surely that's a question that SBI would answer and/or help you with - I've never implemented a payment gateway with a bank that didn't involve sitting side by side with them to work on the protocol implementation and testing

Tadit Dash (ତଡିତ୍ କୁମାର ଦାଶ) 6-Feb-15 6:47am

You have to speak to them on this.

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Divyam Sharma · Accepted Answer · 2015-04-14T00:19:00

Try This .... you will get your Solution.

C#

string request = "YourAmount=500|RefNo=4512df65";
string checkSum = "My CheckSum in Hash Format";
string requestMsg = request + "|checkSum=" + checkSum;
msg = Encrypt(requestMsg, Server.MapPath("Key/yourMerchantKey.key"));
string postData = "encdata=" + msg + "&merchant_code=YourMerchantCode";
NameValueCollection nameValue = new NameValueCollection();
nameValue.Add("encdata", msg);
nameValue.Add("merchant_code", "YourMerchantCode");
string responseMsg = PostRequest("https://yourbankurl.com", nameValue);

And The PostRequest Method is

C#

public string PostRequest(string url, NameValueCollection nameValue)
    {

        // Create a new WebClient instance.

        WebClient webClient = new WebClient();



        // Upload the NameValueCollection.

        byte[] responseArray = webClient.UploadValues(url, "POST", nameValue);



        // Decode and display the response.

        return Encoding.ASCII.GetString(responseArray);
    }