public function bulk( $data ) {

		try {
			if ( ! isset( $data['orders'] ) ) {
				throw new WC_API_Exception( 'woocommerce_api_missing_orders_data', sprintf( __( 'No %1$s data specified to create/edit %1$s', 'woocommerce' ), 'orders' ), 400 );
			}

			$data  = $data['orders'];
			$limit = apply_filters( 'woocommerce_api_bulk_limit', 100, 'orders' );

			// Limit bulk operation
			if ( count( $data ) > $limit ) {
				throw new WC_API_Exception( 'woocommerce_api_orders_request_entity_too_large', sprintf( __( 'Unable to accept more than %s items for this request.', 'woocommerce' ), $limit ), 413 );
			}

			$orders = array();

			foreach ( $data as $_order ) {
				$order_id = 0;

				// Try to get the order ID
				if ( isset( $_order['id'] ) ) {
					$order_id = intval( $_order['id'] );
				}

				// Order exists / edit order
				if ( $order_id ) {
					$edit = $this->edit_order( $order_id, array( 'order' => $_order ) );

					if ( is_wp_error( $edit ) ) {
						$orders[] = array(
							'id'    => $order_id,
							'error' => array( 'code' => $edit->get_error_code(), 'message' => $edit->get_error_message() ),
						);
					} else {
						$orders[] = $edit['order'];
					}
				} else {
					// Order don't exists / create order
					$new = $this->create_order( array( 'order' => $_order ) );

					if ( is_wp_error( $new ) ) {
						$orders[] = array(
							'id'    => $order_id,
							'error' => array( 'code' => $new->get_error_code(), 'message' => $new->get_error_message() ),
						);
					} else {
						$orders[] = $new['order'];
					}
				}
			}

			return array( 'orders' => apply_filters( 'woocommerce_api_orders_bulk_response', $orders, $this ) );
		} catch ( WC_Data_Exception $e ) {
			return new WP_Error( $e->getErrorCode(), $e->getMessage(), array( 'status' => 400 ) );
		} catch ( WC_API_Exception $e ) {
			return new WP_Error( $e->getErrorCode(), $e->getMessage(), array( 'status' => $e->getCode() ) );
		}
	}