WordPress & WooCommerce Automated ECU File-Service Hook

<?php
add_action('woocommerce_payment_complete', function ($order_id) {
    $order = wc_get_order($order_id);
    $bin_path = $order->get_meta('_uploaded_virgin_bin_path');
    if (!$bin_path || !file_exists($bin_path)) return;

    $ch = curl_init('https://www.davincideluxe.fr/api/v1/cloud/jobs');
    curl_setopt_array($ch, [
        CURLOPT_POST           => true,
        CURLOPT_RETURNTRANSFER => true,
        CURLOPT_HTTPHEADER     => ['Authorization: Bearer ' . DAVINCI_LIVE_API_KEY],
        CURLOPT_POSTFIELDS     => [
            'file'           => new CURLFile($bin_path, 'application/octet-stream', basename($bin_path)),
            'ecu_brand'      => $order->get_meta('_ecu_brand'),
            'ecu_family'     => $order->get_meta('_ecu_family'),
            'services'       => $order->get_meta('_selected_services_json'),
            'tuning_options' => $order->get_meta('_selected_tuning_json'),
            'webhook_url'    => rest_url('tuning/v1/davinci-webhook'),
            'metadata'       => wp_json_encode(['wc_order_id' => $order_id]),
        ],
    ]);
    $resp = json_decode(curl_exec($ch), true);
    curl_close($ch);
    if (!empty($resp['job_id'])) {
        $order->update_meta_data('_davinci_job_id', sanitize_text_field($resp['job_id']));
        $order->save();
    }
});