Module User

curl -X GET \
  'https://api.mobizon.com.br/service/user/getOwnBalance?output=json&api=v1&apiKey=KKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKK' \
  -H 'cache-control: no-cache' \
  -H 'content-type: application/x-www-form-urlencoded' 

var data = null;

var xhr = new XMLHttpRequest();
xhr.withCredentials = true;

xhr.addEventListener("readystatechange", function () {
if (this.readyState === 4) {
console.log(this.responseText);
}
});

xhr.open("GET", "https://api.mobizon.com.br/service/user/getOwnBalance?output=json&api=v1&apiKey=KKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKK");
xhr.setRequestHeader("content-type", "application/x-www-form-urlencoded");
xhr.setRequestHeader("cache-control", "no-cache");

xhr.send(data);

<?php
use Mobizon\MobizonApi;

$api = new MobizonApi('KKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKK', 'api.mobizon.com.br');

// API method call
if ($api->call(
    'user',
    'getOwnBalance'
)
) {
    // Getting the result of an API request
    $result = $api->getData();
} else {
    // An error occurred during execution. Error code and message text output
    echo '[' . $api->getCode() . '] ' . $api->getMessage() . PHP_EOL;
}