(C# UWP/WinRT) 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 Universal Windows Platform (UWP) / WinRT Downloads Chilkat for the Universal Windows Platform (UWP)

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

Chilkat.Http http = new Chilkat.Http();
bool 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"
// }

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

// Adds the "Authorization: Bearer your-auth-token" header.
http.AuthToken = "your-auth-token";

Chilkat.StringBuilder sbRequestBody = new Chilkat.StringBuilder();
json.EmitSb(sbRequestBody);

Chilkat.HttpResponse resp = await http.PTextSbAsync("PUT","https://example.com/v1/users/username",sbRequestBody,"utf-8","application/json",false,false);
if (http.LastMethodSuccess == false) {
    Debug.WriteLine(http.LastErrorText);
    return;
}

Chilkat.StringBuilder sbResponseBody = new Chilkat.StringBuilder();
resp.GetBodySb(sbResponseBody);
Chilkat.JsonObject jResp = new Chilkat.JsonObject();
jResp.LoadSb(sbResponseBody);
jResp.EmitCompact = false;

Debug.WriteLine("Response Body:");
Debug.WriteLine(jResp.Emit());

int respStatusCode = resp.StatusCode;
Debug.WriteLine("Response Status Code = " + Convert.ToString(respStatusCode));
if (respStatusCode >= 400) {
    Debug.WriteLine("Response Header:");
    Debug.WriteLine(resp.Header);
    Debug.WriteLine("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.I = i;
    username = jResp.StringOf("users[i].username");
    i = i + 1;
}