1. Go to this page and download the library: Download brenno-duarte/correios-api library. Choose the download type require.
2. Extract the ZIP file and open the index.php.
3. Add this code to the index.php.
<?php
require_once('vendor/autoload.php');
/* Start to develop here. Best regards https://php-download.com/ */
brenno-duarte / correios-api example snippets
use CorreiosAPI\CorreiosAPI;
$cep = new CorreiosAPI();