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.

Chilkat Unicode C Downloads

Download Chilkat for Unicode C

Unicode C

#include <C_CkHttpW.h>
#include <C_CkJsonObjectW.h>
#include <C_CkHttpResponseW.h>

void ChilkatSample(void)
    {
    BOOL success;
    HCkHttpW http;
    HCkJsonObjectW json;
    const wchar_t *url;
    HCkHttpResponseW resp;

    success = FALSE;

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

    http = CkHttpW_Create();

    CkHttpW_putBasicAuth(http,TRUE);
    CkHttpW_putLogin(http,L"API_USERNAME");
    CkHttpW_putPassword(http,L"API_PASSWORD");

    json = CkJsonObjectW_Create();
    success = CkJsonObjectW_UpdateString(json,L"merchid",L"MERCHANT_ID");

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

    resp = CkHttpResponseW_Create();
    success = CkHttpW_HttpStr(http,L"PUT",url,CkJsonObjectW_emit(json),L"utf-8",L"application/json",resp);
    if (success == FALSE) {
        wprintf(L"%s\n",CkHttpW_lastErrorText(http));
        CkHttpW_Dispose(http);
        CkJsonObjectW_Dispose(json);
        CkHttpResponseW_Dispose(resp);
        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",CkHttpResponseW_getStatusCode(resp));

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

    // Sample output:

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


    CkHttpW_Dispose(http);
    CkJsonObjectW_Dispose(json);
    CkHttpResponseW_Dispose(resp);

    }