public function bulk( $data ) {

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

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

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

			$products = array();

			foreach ( $data as $_product ) {
				$product_id  = 0;
				$product_sku = '';

				// Try to get the product ID
				if ( isset( $_product['id'] ) ) {
					$product_id = intval( $_product['id'] );
				}

				if ( ! $product_id && isset( $_product['sku'] ) ) {
					$product_sku = wc_clean( $_product['sku'] );
					$product_id  = wc_get_product_id_by_sku( $product_sku );
				}

				if ( $product_id ) {

					// Product exists / edit product
					$edit = $this->edit_product( $product_id, array( 'product' => $_product ) );

					if ( is_wp_error( $edit ) ) {
						$products[] = array(
							'id'    => $product_id,
							'sku'   => $product_sku,
							'error' => array( 'code' => $edit->get_error_code(), 'message' => $edit->get_error_message() ),
						);
					} else {
						$products[] = $edit['product'];
					}
				} else {

					// Product don't exists / create product
					$new = $this->create_product( array( 'product' => $_product ) );

					if ( is_wp_error( $new ) ) {
						$products[] = array(
							'id'    => $product_id,
							'sku'   => $product_sku,
							'error' => array( 'code' => $new->get_error_code(), 'message' => $new->get_error_message() ),
						);
					} else {
						$products[] = $new['product'];
					}
				}
			}

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