Operators can add one-time or à la carte items to customer subscriptions. These line items will only be added to the next installment order and will be removed afterwards. This is useful if, for example, you want to add free items to a customer’s upcoming subscription renewal.

There are two different ways operators can add one-time items in an existing subscription. The options are outlined below:

As an Admin user, you can add and edit one-time items when viewing a customer's subscription page in the line items section. Scroll to the For Next Installment Only section, select the variant to add, specify the quantity, and click Update.

You can also add one-time items via API here:

PATCH /api/users/:user_id/subscriptions/:id

An example payload would be:

Should you have any questions or need further assistance, please do not hesitate to reach out to [email protected]!