Enables specifying units of measurement for Products

What’s new

Adds the ability to specify a product’s unit of measurement using the unit_label parameter in the product_data hash.

Impact

You can now specify the unit_label when you create a Product by adding a line item to a Checkout Session, Payment Link, Payment Intent, or Invoice. You must include the product’s unit of measurement to meet the requirements of card network Level 2/Level 3 programs.

Changes

Upgrade

1. View your current API version in Workbench.
2. 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: 2025-09-30. clover

3. Upgrade the API version used for webhook endpoints .
4. Test your integration against the new version.
5. If you use Connect, test your Connect integration .
6. In Workbench, perform the upgrade . You can roll back the version for 72 hours.

Learn more about Stripe API upgrades.

Related changes

• Removes postal code for card payments in certain regions on Checkout and Payment Element
• Removes currency conversion field from Checkout Sessions
• Removes support for the redirectToCheckout method
• Updates initCheckout to be synchronous
• Adds support for collecting business and individual names in Checkout Sessions
• Adds the ability to exclude payment methods from Checkout Sessions and Payment Intents
• Adds support for setting the capture method for specific payment methods with the Checkout Sessions API
• Adds support for configuring branding settings for Checkout Sessions