Use the REST API - change terms and conditions
This topic explains how to change the terms and conditions of a subscription using the REST API by creating an order.
You can use the "Create order" operation to change the terms and conditions of a subscription. Before the Orders feature is enabled, you have to use the "Update subscription", "Amend", or "CRUD: Create amendment" operation.
To change the terms and conditions of a subscription by creating an order:
To preview invoices for the updated subscription, use the "Preview order" operation.