Storefront APISubscriptionsLine actionsEdit line quantityCopy Pageput https://api.loopsubscriptions.com/storefront/2026-04/subscription/{subscriptionId}/line/{lineId}/quantityPath ParamssubscriptionIdint32requiredThe unique identifier of the subscription in Loop.lineIdint32requiredThe unique identifier of a line in Loop.Body Paramsquantityint32requiredThe updated quantity of line.Response 200Quantity updated successfullyUpdated 2 days ago Swap lineRemove lineDid this page help you?YesNo