.NET Core C#

CardConnect Validate Merchant-Level Credentials

To test and validate merchant-level credentials, you can make a PUT request, including the merchant ID in the body of the request, to the base URL. The Gateway verifies that the MID matches the credentials provided in the header.

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.NET Core C#

bool success = false;

// This example assumes the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

Chilkat.Http http = new Chilkat.Http();

http.BasicAuth = true;
http.Login = "API_USERNAME";
http.Password = "API_PASSWORD";

Chilkat.JsonObject json = new Chilkat.JsonObject();
success = json.UpdateString("merchid","MERCHANT_ID");

string url = "https://<site>.cardconnect.com:<port>/cardconnect/rest/";

Chilkat.HttpResponse resp = new Chilkat.HttpResponse();
success = http.HttpStr("PUT",url,json.Emit(),"utf-8","application/json",resp);
if (success == false) {
    Debug.WriteLine(http.LastErrorText);
    return;
}

// If we get a 200 response status and an HTML response saying "CardConnect REST Servlet", then our credentials are correct.
Debug.WriteLine("response status code = " + Convert.ToString(resp.StatusCode));

Debug.WriteLine("response string:");
Debug.WriteLine(resp.BodyStr);

// Sample output:

// response status code = 200
// response string:
// <html lang="en"><body><h1>CardConnect REST Servlet</h1></body></html