---
title: "Rollback Install Version"
method: POST
path: "/api/extensions/installs/{install_id}/rollback"
tags: ["ERP Extensions"]
---

# Rollback Install Version

`POST /api/extensions/installs/{install_id}/rollback`

## Request

- Base URL: `https://api.qomplement.com` (the document declares no server; this is the origin it was published from)
- URL: `https://api.qomplement.com/api/extensions/installs/{install_id}/rollback`
- Auth: HTTP bearer

Restore old content by copying it into a new immutable version.

## Path parameters

- `install_id` string, required

## Request body

- RollbackExtensionRequest
  - `target_version_id` string, required
  - `base_version_id` string, required
  - `change_summary` string, nullable
  - `organization_id` string, nullable

## Response `200`

Successful Response

- object

## Other responses

- `422`: Validation Error

## Changes

- **2026-09-09** `6fe617c112ef`: 1 info
  - endpoint added

[Operation history](https://skmtc.dev/qomplement/apis/qomplement-api/changes/api/extensions/installs/:install_id/rollback/post.md)

---

[API](https://skmtc.dev/qomplement/apis/qomplement-api.md) - [All operations](https://skmtc.dev/qomplement/apis/qomplement-api/llms.txt) - [OpenAPI document](https://skmtc.dev/qomplement/apis/qomplement-api/revisions/6fe617c112ef?raw)
