Added
Edit a subscription line item quantity
March 11th, 2026
You can now update a subscription's line item directly via the Admin API using the new Edit line endpoint.
What's New?
A new endpoint is now available under Line Actions in the Admin API. It allows you to modify quantity of an existing line item on a subscription.
Currently supported updates:
quantity— Update the quantity of a line item on the subscription.
Things to remember:
- Support for updating
pricewill be available soon. - Changes made via this endpoint apply to all future orders on the subscription.