Digest/Stripe
MediumSchema/API

Add-on invoice items gain discountable flag on Subscriptions and Preview Invoice APIs

API version 2026-05-27.dahlia adds an optional discountable parameter for add-on invoice items on Subscriptions, Subscription Schedules, and Preview Invoice APIs. Items default to discountable: true, so coupons apply unless discountable: false is set explicitly.

Action note

Audit add-on invoice items that should not receive coupon or discount treatment and explicitly set discountable: false after upgrading to 2026-05-27.dahlia.

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