(Unicode 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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#include <CkHttpW.h>
#include <CkJsonObjectW.h>

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

    CkHttpW http;

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

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

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

    if (http.get_LastMethodSuccess() == false) {
        wprintf(L"%s\n",http.lastErrorText());
        return;
    }

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

    wprintf(L"response string:\n");
    wprintf(L"%s\n",responseStr);

    // Sample output:

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