---
title: "Changes to Updates the surplus and surplus history for a specific account"
method: POST
path: "/v1.0/target-unit-accounts/{accountId}/buy-out-surplus/"
---

# Changes to Updates the surplus and surplus history for a specific account

`POST /v1.0/target-unit-accounts/{accountId}/buy-out-surplus/`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 3 of 19 revisions.

- **2026-10-27** `2da910b8e923`: 1 warning, 1 info
- **2026-04-02** `0be05036d2c8`: 3 info
- **2025-09-11** `15b32331a1ac`: 1 info

## Changes

- **2026-10-27** `2da910b8e923`: 1 warning, 1 info
  - removed the request property `targetPeriodType`
  - api operation id `updateSurplusGained` removed and replaced with `updateAccountSurplusGained`
- **2026-04-02** `0be05036d2c8`: 3 info
  - added the new `TP7` enum value to the request property `targetPeriodType`
  - added the new `TP8` enum value to the request property `targetPeriodType`
  - added the new `TP9` enum value to the request property `targetPeriodType`
- **2025-09-11** `15b32331a1ac`: 1 info
  - endpoint added

---

[Operation](https://skmtc.dev/beis/apis/api-documentation/docs/v1.0/target-unit-accounts/:accountId/buy-out-surplus/post.md) - [API](https://skmtc.dev/beis/apis/api-documentation.md) - [Page](https://skmtc.dev/beis/apis/api-documentation/changes/v1.0/target-unit-accounts/:accountId/buy-out-surplus/post)