Adds a documented reason for Klarna chargeback losses to Disputes API
What’s new
Adds the chargeback_loss_reason_code field, which provides a code describing the reason for lost chargeback disputes with Klarna.
Impact
The chargeback_loss_reason_code is included after Klarna closes a dispute. When handling disputes, use this information to identify factors that contributed to a loss. Understanding these reasons allows you to implement targeted strategies to reduce future chargeback losses.
Changes
| Parameter | Change | Resources or endpoints |
|---|---|---|
| chargeback_loss_reason_code | Added | Dispute. payment_method_details. klarna |
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: 2025-09-30. clover
- 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.