Swap line

This endpoint allows to update the existing line with a new line in a subscription contract.

put/2026-04/subscription/{subscriptionId}/line/{lineId}/swap

Request

Base URL
https://api.loopsubscriptions.com/admin
URL
https://api.loopsubscriptions.com/admin/2026-04/subscription/{subscriptionId}/line/{lineId}/swap
Auth
API key in header X-Loop-Token

subscriptionIdinteger required

The unique identifier of the subscription in Loop.

lineIdinteger required

ID of the subscription line to swap.

variantShopifyIdinteger required

Shopify variant ID of the new product.

quantityinteger required

Quantity of the new variant.

pricingType'OLD' | 'NEW' | 'CUSTOM' required

Defines which pricing is applied on the swapped line.

sellingPlanGroupIdinteger

Selling plan group to apply on the swapped line.

basePricenumber float

Lets you set a custom base price for the swapped product

Line swapped successfully

successboolean

messagestring

dataunknown

codestring

pageInfounknown

{
  "success": true,
  "message": "Line swapped successfully",
  "code": "SUCCESS"
}

No recorded changes to this operation across all 1 revision of this API.