Paddle Billing

Invalid update options for items on a trialing subscription

You are attempting to update items on a trialing subscription with invalid options

Error MessageYou can't add or remove items for a subscription in trial, and you must use `do_not_bill` as the `proration_billing_mode` when updating quantities of existing items.
Error Codesubscription_trialing_items_update_invalid_options
Status Code400

Common causes

  • You are trying to update item quantities on a trialing subscription without proration_billing_mode: do_not_bill

  • You are trying to add an item to a trialing subscription

  • You are trying to remove an item from a trialing subscription


  • Ensure you are using proration_billing_mode: do_not_bill when updating the item quantity on a subscription that is trialing.