public function get_product_attributes( $fields = null ) {
		try {
			// Permissions check
			if ( ! current_user_can( 'manage_product_terms' ) ) {
				throw new WC_API_Exception( 'woocommerce_api_user_cannot_read_product_attributes', __( 'You do not have permission to read product attributes', 'woocommerce' ), 401 );
			}

			$product_attributes   = array();
			$attribute_taxonomies = wc_get_attribute_taxonomies();

			foreach ( $attribute_taxonomies as $attribute ) {
				$product_attributes[] = array(
					'id'           => intval( $attribute->attribute_id ),
					'name'         => $attribute->attribute_label,
					'slug'         => wc_attribute_taxonomy_name( $attribute->attribute_name ),
					'type'         => $attribute->attribute_type,
					'order_by'     => $attribute->attribute_orderby,
					'has_archives' => (bool) $attribute->attribute_public,
				);
			}

			return array( 'product_attributes' => apply_filters( 'woocommerce_api_product_attributes_response', $product_attributes, $attribute_taxonomies, $fields, $this ) );
		} catch ( WC_API_Exception $e ) {
			return new WP_Error( $e->getErrorCode(), $e->getMessage(), array( 'status' => $e->getCode() ) );
		}
	}