(Java) WhatsApp - Change a User Password

Demonstrates how to change the password for a WhatsApp Business API user account.

For more information, see https://developers.facebook.com/docs/whatsapp/api/users/manage

Chilkat Java Downloads Java Libs for Windows, MacOS, Linux, Alpine Linux 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();
    boolean success;

    // Implements the following CURL command:

    // curl -X PUT https://example.com/v1/users/username \
    //   -H "Authorization: Bearer your-auth-token" \
    //   -d '{"password": "new-password"}'

    // The following JSON is sent in the request body.

    // {
    //   "password": "new-password"
    // }

    CkJsonObject json = new CkJsonObject();
    json.UpdateString("password","new-password");

    // Adds the "Authorization: Bearer your-auth-token" header.
    http.put_AuthToken("your-auth-token");

    CkStringBuilder sbRequestBody = new CkStringBuilder();
    json.EmitSb(sbRequestBody);

    CkHttpResponse resp = http.PTextSb("PUT","https://example.com/v1/users/username",sbRequestBody,"utf-8","application/json",false,false);
    if (http.get_LastMethodSuccess() == false) {
        System.out.println(http.lastErrorText());
        return;
        }

    CkStringBuilder sbResponseBody = new CkStringBuilder();
    resp.GetBodySb(sbResponseBody);
    CkJsonObject jResp = new CkJsonObject();
    jResp.LoadSb(sbResponseBody);
    jResp.put_EmitCompact(false);

    System.out.println("Response Body:");
    System.out.println(jResp.emit());

    int respStatusCode = resp.get_StatusCode();
    System.out.println("Response Status Code = " + respStatusCode);
    if (respStatusCode >= 400) {
        System.out.println("Response Header:");
        System.out.println(resp.header());
        System.out.println("Failed.");

        return;
        }

    // Sample JSON response:
    // (Sample code for parsing the JSON response is shown below)

    // {
    //   "users": [
    //     {
    //       "username": "username"
    //     }
    //   ]
    // }

    // Sample code for parsing the JSON response...

    String username;

    int i = 0;
    int count_i = jResp.SizeOfArray("users");
    while (i < count_i) {
        jResp.put_I(i);
        username = jResp.stringOf("users[i].username");
        i = i+1;
        }
  }
}