C# SDK

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Check out our GitHub repository (opens in a new tab) to download this SDK.

This C Sharp SDK provides an easy method to integrate with the payment gateway.

The Gateway.cs file contains the main body of the SDK.
The HomeController.cs file is intended as a minimal guide to demonstrate a complete 3DSv2 authentication process. It has been extracted from an ASP.Net website and can be run by placing back into a similar application.

Prerequisites

The SDK requires the following prerequisites to be met in order to function correctly:
- .Net Framework v4.7.2 or later.

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Please note that we can only offer support for the SDK itself (Gateway.cs). While every effort has been made to ensure the sample code is complete and bug free, it is only a guide and should not be used in a production environment.

Using the Gateway SDK

Instantiate the Gateway object ensuring you pass in your Merchant ID and secret key.

var gateway = new Gateway("100856", "Circle4Take40Idea", "https://gateway.cardstream.com/direct/" )

This is a minimal object creation, but you can also override the default direct, hosted and merchant password fields, should you need to. The object also supports HTTP proxying if you require it. Take a look at Gateway.cs to see the full method signatures

Once your object has been created. You create your request array, for example:

            var reqFields = new Dictionary<string, string>{
              {"merchantID", "100856"},
              {"action", "SALE"},
              {"type", "1"},
              {"transactionUnique", "randomstring123" },
              {"countryCode", "826"},
              {"currencyCode", "826"},
              {"amount", "1001"},
              {"cardNumber", "4012001037141112"},
              {"cardExpiryMonth", "12"},
              {"cardExpiryYear", "20"},
              {"cardCVV", "083"},
              {"customerName", "Test Customer"},
              {"customerEmail","test@testcustomer.com"},
              {"customerAddress", "16 Test Street"},
              {"customerPostcode", "TE15 5ST"},
              {"orderRef", "Test purchase"},
              {"remoteAddress", remoteAddress},
              {"merchantCategoryCode", "5411"},
              {"threeDSVersion", "2"},
              {"threeDSRedirectURL", url + "?acs=1"},

NB: This is a sample request. The gateway features many more options. Please see our PDF integration guide (opens in a new tab) for more details.

Then, depending on the integration method, you'd either call:

gateway.DirectRequest(reqFields)

gateway.HostedRequest(reqFields)

And then handle the response received from the gateway.

Once you know the basics of the SDK you are using, check the latest API integration guide.

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