1. Go to this page and download the library: Download examinecom/convertkit 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/ */
examinecom / convertkit example snippets
use \Examinecom\ConvertKit\ConvertKit;
$this->client = new ConvertKit("{API_KEY}", "{API_SECRET}");