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C Web API Examples

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(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 <C_CkHttp.h>
#include <C_CkJsonObject.h>

void ChilkatSample(void)
    {
    HCkHttp http;
    HCkJsonObject json;
    BOOL success;
    const char *url;
    const char *responseStr;

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

    http = CkHttp_Create();

    CkHttp_putBasicAuth(http,TRUE);
    CkHttp_putLogin(http,"API_USERNAME");
    CkHttp_putPassword(http,"API_PASSWORD");

    json = CkJsonObject_Create();
    success = CkJsonObject_UpdateString(json,"merchid","MERCHANT_ID");

    url = "https://<site>.cardconnect.com:<port>/cardconnect/rest/";
    responseStr = CkHttp_putText(http,url,CkJsonObject_emit(json),"utf-8","application/json",FALSE,FALSE);

    if (CkHttp_getLastMethodSuccess(http) == FALSE) {
        printf("%s\n",CkHttp_lastErrorText(http));
        CkHttp_Dispose(http);
        CkJsonObject_Dispose(json);
        return;
    }

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

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

    // Sample output:

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


    CkHttp_Dispose(http);
    CkJsonObject_Dispose(json);

    }

 

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