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

void ChilkatSample(void)
    {
    // 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) {
        std::cout << http.lastErrorText() << "\r\n";
        return;
    }

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

    std::cout << "response string:" << "\r\n";
    std::cout << responseStr << "\r\n";

    // Sample output:

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