---
title: "Changes to Get direct downstream documents (depth=1 children)."
method: GET
path: "/v1/collections/{collection_identifier}/documents/{document_id}/descendants"
---

# Changes to Get direct downstream documents (depth=1 children).

`GET /v1/collections/{collection_identifier}/documents/{document_id}/descendants`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 6 of 76 revisions.

- **2026-10-09** `61a175e8eb9a`: 1 warning, 5 info
- **2026-10-06** `b75474e978ff`: 1 info
- **2026-10-05** `8d925c1cf55f`: 1 info
- **2026-09-29** `a564bf7a060b`: 1 info
- **2026-08-21** `1c7f31821424`: 1 warning
- **2026-08-09** `5d4c905106b4`: 1 info

## Changes

- **2026-10-09** `61a175e8eb9a`: 1 warning, 5 info
  - removed the optional property `detail` from the response with the `422` status
  - added the non-success response with the status `429`
  - added the non-success response with the status `503`
  - added the optional property `success` to the response with the `422` status
  - added the required property `error` to the response with the `422` status
  - added the required property `status` to the response with the `422` status
- **2026-10-06** `b75474e978ff`: 1 info
  - added the optional property `items/searchable_at` to the response with the `200` status
- **2026-10-05** `8d925c1cf55f`: 1 info
  - added the optional property `items/document_blobs/items/unavailable_reason` to the response with the `200` status
- **2026-09-29** `a564bf7a060b`: 1 info
  - added the optional property `items/vector_hydration_incomplete` to the response with the `200` status
- **2026-08-21** `1c7f31821424`: 1 warning
  - added the new `signal` enum value to the `items/_internal/anyOf[subschema #1: InternalPayloadModel]/lineage/anyOf[subschema #1: InternalLineageModel]/source_type/anyOf[subschema #1]/` response property for the response status `200`
- **2026-08-09** `5d4c905106b4`: 1 info
  - the endpoint scheme security `BearerAuth AND NamespaceHeader` was added to the API

---

[Operation](https://skmtc.dev/mixpeek/apis/mixpeek-api/docs/v1/collections/:collection_identifier/documents/:document_id/descendants/get.md) - [API](https://skmtc.dev/mixpeek/apis/mixpeek-api.md) - [Page](https://skmtc.dev/mixpeek/apis/mixpeek-api/changes/v1/collections/:collection_identifier/documents/:document_id/descendants/get)