---
title: "Inspect Undo"
method: POST
path: "/admin/knowledge/merges/{merge_id}/undo/preview"
tags: ["admin"]
---

# Inspect Undo

`POST /admin/knowledge/merges/{merge_id}/undo/preview`

## Request

- Base URL: `https://api-docs.upsmith.com` (the document declares no server; this is the origin it was published from)
- URL: `https://api-docs.upsmith.com/admin/knowledge/merges/{merge_id}/undo/preview`
- Auth: one of:
  - API key in header `x-api-key`
  - HTTP bearer

## Path parameters

- `merge_id` string, uuid, required

## Headers

- `organization-id` string, nullable
- `timezone` string
- `x-user-id` string, nullable
- `x-actor-email` string, nullable
- `x-request-source` string, nullable
- `x-operation-id` string, nullable
- `x-commit-message` string, nullable
- `x-confirmation-id` string, nullable
- `x-chat-id` string, nullable

## Response `200`

Successful Response

- MergePreviewResponse
  - `operation` 'merge' | 'undo', required
  - `merged_entity_id` string, required
  - `into_entity_id` string, required
  - `merge_id` string, nullable, required
  - `evidence_id` string, nullable, required
  - `state_hash` string, required
  - `snapshot` object, required

## Other responses

- `422`: Validation Error

---

[API](https://skmtc.dev/upsmith/apis/upsmith-api.md) - [All operations](https://skmtc.dev/upsmith/apis/upsmith-api/llms.txt) - [OpenAPI document](https://skmtc.dev/upsmith/apis/upsmith-api/revisions/86e2c2bd93af?raw)