JezK

Edit File: OrderControllerV3.php

<?php

namespace WeDevs\Dokan\REST;

/**
 * Dokan Order ControllerV3 Class
 *
 * @since   4.0.0
 *
 * @package dokan
 */
class OrderControllerV3 extends OrderControllerV2 {

/**
     * Endpoint namespace
     *
     * @since 4.0.0
     *
     * @var string
     */
    protected $namespace = 'dokan/v3';

/**
     * @param               $downloads
     * @param \WC_Product[] $products
     *
     * @return array
     */
    protected function format_downloads_data( $downloads, $products ) {
        $updated_response = array_map(
            function ( $download ) use ( $products ) {
                $product = array_filter(
                    $products, function ( $product_item ) use ( $download ) {
						return ! empty( $product_item->get_id() ) && ! empty( $download->product_id ) && absint( $product_item->get_id() ) === absint( $download->product_id );
					}
                );
                $product = reset( $product );

$download->product = [
                    'id'   => $product->get_id(),
                    'name' => $product->get_name(),
                    'slug' => $product->get_slug(),
                    'link' => $product->get_permalink(),
                ];

/**
                 * @var $file \WC_Product_Download
                 */
                $file                              = $product->get_file( $download->download_id );
                $download->file_data               = $file->get_data();
                $download->file_data['file_title'] = wc_get_filename_from_url( $product->get_file_download_path( $download->download_id ) );

return $download;
            },
            $downloads
        );

return $updated_response;
    }
}

XML-RPC server accepts POST requests only.