---
title: "Changes to Get child nodes, and optionally parent nodes, for a given taxon by Taxonomy ID"
method: POST
path: "/taxonomy/related_ids"
---

# Changes to Get child nodes, and optionally parent nodes, for a given taxon by Taxonomy ID

`POST /taxonomy/related_ids`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 3 of 13 revisions.

- **2025-05-08** `6b24249801ec`: 1 info
- **2025-04-28** `f08be9b66e16`: 5 info
- **2025-02-08** `00bdccfc6283`: 1 info

## Changes

- **2025-05-08** `6b24249801ec`: 1 info
  - the `` request property default value `NO_RANK` was added
- **2025-04-28** `f08be9b66e16`: 5 info
  - the `` request property default value `NO_RANK` was removed
  - added the new `ACELLULAR_ROOT` enum value to the request property `ranks/items/`
  - added the new `CELLULAR_ROOT` enum value to the request property `ranks/items/`
  - added the new `DOMAIN` enum value to the request property `ranks/items/`
  - added the new `REALM` enum value to the request property `ranks/items/`
- **2025-02-08** `00bdccfc6283`: 1 info
  - endpoint added

---

[Operation](https://skmtc.dev/ncats/apis/ncbi-datasets-api/docs/taxonomy/related_ids/post.md) - [API](https://skmtc.dev/ncats/apis/ncbi-datasets-api.md) - [Page](https://skmtc.dev/ncats/apis/ncbi-datasets-api/changes/taxonomy/related_ids/post)