---
title: "POST /api/supplychain-mappings/bulk-attach-existing/"
method: POST
path: "/api/supplychain-mappings/bulk-attach-existing/"
tags: ["Company Chains"]
---

# POST /api/supplychain-mappings/bulk-attach-existing/

`POST /api/supplychain-mappings/bulk-attach-existing/`

Paste an existing supply chain into several supply chains

## Request body

- object
  - `sourceCollaborationId` string, required
  - `targetCollaborationIds` string[], required
  - `removeRootNode` boolean

## Response `200`

Default Response

- object
  - `metadata` object, required
    - `success` boolean, required — True when the request succeeded.
  - `data` object, required
    - `sourceCollaborationId` string, required
    - `successCount` number, required
    - `failureCount` number, required
    - `succeeded` object[], required
      - `targetCollaborationId` string, required
      - `nodeCount` number, required
    - `failed` object[], required
      - `targetCollaborationId` string, required
      - `code` string, required
      - `message` string, required

## Other responses

- `400` — Default Response
- `401` — Default Response
- `403` — Default Response
- `404` — Default Response
- `422` — Default Response

## Changes

> 43 revisions in range; 1 not diffed.

- **2026-09-18** `1b07dc367dbb` — 1 info
  - endpoint added

[Change history](https://skmtc.dev/retraced/apis/api-reference/changes/api/supplychain-mappings/bulk-attach-existing/post.md)

---

[API](https://skmtc.dev/retraced/apis/api-reference.md) · [All operations](https://skmtc.dev/retraced/apis/api-reference/llms.txt) · [OpenAPI document](https://skmtc.dev/retraced/apis/api-reference/revisions/a8932a002646?raw)