---
title: "Changes to Contract Refund"
method: POST
path: "/api/checkout/v1/refund/"
---

# Changes to Contract Refund

`POST /api/checkout/v1/refund/`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 1 of 2 revisions.

- **2026-11-03** `3026811271f7`: 4 breaking, 4 info

## Changes

- **2026-11-03** `3026811271f7`: 4 breaking, 4 info
  - the response's body type changed from `object` to no type for status `500`
  - the `success` response's property type changed from `boolean` to `string` for status `200`
  - removed the required property `success` from the response with the `500` status
  - removed the required property `success_message` from the response with the `500` status
  - added `#/components/schemas/OASSchemaOnlySuccessFailureResponse, #/components/schemas/OASSchemaOnlyAPIExceptionResponse` to the response body `anyOf` list for the response status `500`
  - added the non-success response with the status `409`
  - added the non-success response with the status `429`
  - added the optional property `error_code` to the response with the `200` status

---

[Operation](https://skmtc.dev/heylight/apis/heidipay-checkout-api/docs/api/checkout/v1/refund/post.md) - [API](https://skmtc.dev/heylight/apis/heidipay-checkout-api.md) - [Page](https://skmtc.dev/heylight/apis/heidipay-checkout-api/changes/api/checkout/v1/refund/post)