- Breaking changes
- Public preview
Makes flexible billing mode the default for new subscriptions Breaking changes Public preview
What’s new
Newly created subscriptions now default to flexible billing mode. You can continue to use classic using the billing_mode.type parameter.
Why is this a breaking change?
Flexible billing mode has several differences over classic that change how subscriptions behave and how they calculate invoices.
Impact
Flexible billing mode provides accurate and predictable billing behavior and additional features for managing subscriptions.
The new default billing mode impacts these integrations:
- Create a subscription
- Create an invoice preview
- Create a subscription schedule
- Create a quote
- Subscriptions created through the Checkout Session API
- Subscriptions created through the Payment Link API
Upgrade
- View your current API version in Workbench.
- If you use an SDK, upgrade to the corresponding SDK version for this API version.
- If you don’t use an SDK, update your API requests to include Stripe-Version: 2025-08-27. preview
- Upgrade the API version used for webhook endpoints .
- Test your integration against the new version.
- If you use Connect, test your Connect integration .
- In Workbench, perform the upgrade . You can roll back the version for 72 hours.
Learn more about Stripe API upgrades.