(Java) 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 Java Downloads

Java Libs for Windows, MacOS, Linux, Alpine Linux, Solaris

Java Libs for Android

import com.chilkatsoft.*;

public class ChilkatExample {

  static {
    try {
        System.loadLibrary("chilkat");
    } catch (UnsatisfiedLinkError e) {
      System.err.println("Native code library failed to load.\n" + e);
      System.exit(1);
    }
  }

  public static void main(String argv[])
  {
    // This example assumes the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    CkHttp http = new CkHttp();

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

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

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

    if (http.get_LastMethodSuccess() == false) {
        System.out.println(http.lastErrorText());
        return;
        }

    // If we get a 200 response status and an HTML response saying "CardConnect REST Servlet", then our credentials are correct.
    System.out.println("response status code = " + http.get_LastStatus());

    System.out.println("response string:");
    System.out.println(responseStr);

    // Sample output:

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