Stripe API: API Changes (2026-01-27)

TL;DR

The adjustable_quantity property has been added to the response of several endpoints, including /v1/checkout/sessions and /v1/credit_notes.

The payment_link property has been updated to include adjustable_quantity in its response.

New schema components have been added, including payments_primitives_payment_records_resource_payment_method_konbini_details_resource_store.

The line_items endpoint has been updated to include adjustable_quantity in its response.

Multiple resources, including /v1/checkout/sessions/{session} and /v1/credit_notes, have been updated with new properties and schema components.

What Changed

#### Feature

The adjustable_quantity property has been added to the response of /v1/checkout/sessions and /v1/checkout/sessions/{session} with a 200 status.

The payment_link property has been updated to include adjustable_quantity in its response for /v1/checkout/sessions and /v1/checkout/sessions/{session}.

New schema components, including payments_primitives_payment_records_resource_payment_method_konbini_details_resource_store, have been added to /v1/checkout/sessions and /v1/credit_notes.

The line_items endpoint has been updated to include adjustable_quantity in its response for /v1/checkout/sessions/{session}/line_items.

Multiple resources, including /v1/credit_notes and /v1/customers/{customer}/balance_transactions, have been updated with new properties and schema components.

Who's Impacted

If you are using the /v1/checkout/sessions endpoint, you may need to update your code to handle the new adjustable_quantity property. If you are using the payment_link property, you should be aware of the updated response format. If you are integrating with the Stripe API, you should review the updated schema components and resource documentation to ensure compatibility.

Action Checklist

☐ Review the updated /v1/checkout/sessions endpoint documentation

☐ Update code to handle the new adjustable_quantity property

☐ Test API requests to /v1/checkout/sessions with the updated property

☐ Review the updated payment_link property documentation

☐ Update code to handle the updated payment_link response format

☐ Test API requests to /v1/checkout/sessions with the updated payment_link property

☐ Review the updated schema components documentation

☐ Update code to use the new schema components

☐ Test API requests with the updated schema components

☐ Review the updated resource documentation for /v1/credit_notes and /v1/customers/{customer}/balance_transactions

☐ Update code to handle the updated properties and schema components for these resources

☐ Test API requests to these resources with the updated properties and schema components

Verification

The information in this update brief is based on the following sources:

* [Commit a402765c987f](https://github.com/stripe/openapi/commit/a402765c987f40ac7474547700da71a218428805)

* [Stripe API Spec Diff](https://github.com/stripe/openapi/compare/7d73d5593bf01123d9655114c375972a591eb9b0...a402765c987f40ac7474547700da71a218428805)

Last verified at: 2026-02-17T12:56:31.115250+00:00