Add line onceAsk AIpost https://api.loopsubscriptions.com/admin/2023-10/subscription/{subscriptionId}/line/onceThis endpoint allows you to add a new one-time line item in a subscription contract.Path ParamssubscriptionIdint32requiredID of the subscriptionBody ParamsvariantShopifyIdint64requiredShopify ID of the variantquantityint32requiredQuantitydiscountTypestringenumrequiredPERCENTAGEFIXED_AMOUNTPRICENONEAllowed:PERCENTAGEFIXED_AMOUNTPRICENONEdiscountValuefloatrequiredisUpsellbooleanThis key allows you to track upsell analytics by indicating whether an item is an upsell or not.truefalsecustomAttributesarray of objectscustomAttributesADD objectnextOrderIdstringThis key allows you to add line in a future order of the subscription contract. This feature is limited access only.Response 200200Updated 2 months ago