---
title: "Get all documents derived from an object"
method: GET
path: "/v1/objects/{object_id}/documents"
tags: ["Document Lineage"]
---

# Get all documents derived from an object

`GET /v1/objects/{object_id}/documents`

Get all documents created from a specific root object. Useful for finding all processing outputs across multiple collections.

## Path parameters

- `object_id` string, required — Root object ID to find all derived documents

## Query parameters

- `collection_ids` string[] — Optional: Filter to specific collections

## Response `200`

Successful Response

- object

## Other responses

- `400` — Bad Request
- `401` — Unauthorized
- `403` — Forbidden
- `404` — Not Found
- `422` — Validation Error
- `500` — Internal Server Error

## Changes

- **2026-08-09** `5d4c905106b4` — 1 info
  - the endpoint scheme security `BearerAuth AND NamespaceHeader` was added to the API

[Change history](https://skmtc.dev/mixpeek/apis/mixpeek-api/changes/v1/objects/:object_id/documents/get.md)

---

[API](https://skmtc.dev/mixpeek/apis/mixpeek-api.md) · [All operations](https://skmtc.dev/mixpeek/apis/mixpeek-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/mixpeek/mixpeek-api/revisions/b8d3cdf035a0/schema)