(MFC) 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.

Chilkat C/C++ Library Downloads

MS Visual C/C++ Libs

See Also: Using MFC CString in Chilkat

#include <CkHttp.h>
#include <CkJsonObject.h>

void ChilkatSample(void)
    {
    CkString strOut;

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

    CkHttp http;

    http.put_BasicAuth(true);
    http.put_Login("API_USERNAME");
    http.put_Password("API_PASSWORD");

    CkJsonObject json;
    bool success = json.UpdateString("merchid","MERCHANT_ID");

    const char *url = "https://<site>.cardconnect.com:<port>/cardconnect/rest/";
    const char *responseStr = http.putText(url,json.emit(),"utf-8","application/json",false,false);

    if (http.get_LastMethodSuccess() == false) {
        strOut.append(http.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    // If we get a 200 response status and an HTML response saying "CardConnect REST Servlet", then our credentials are correct.
    strOut.append("response status code = ");
    strOut.appendInt(http.get_LastStatus());
    strOut.append("\r\n");

    strOut.append("response string:");
    strOut.append("\r\n");
    strOut.append(responseStr);
    strOut.append("\r\n");

    // Sample output:

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


    SetDlgItemText(IDC_EDIT1,strOut.getUnicode());

    }