---
title: "Search related concepts"
method: POST
path: "/taxonomies/{taxonomy}/versions/{version}/relations"
tags: ["Taxonomies"]
---

# Search related concepts

`POST /taxonomies/{taxonomy}/versions/{version}/relations`

Supports lookups for multiple concepts via the id field. Also supports multiple filter values to be specified for each field.

## Path parameters

- `taxonomy` string, required
- `version` string, required

## Request body

- object
  - `relationType` 'parent' | 'child' | 'sibling' | 'any', required
  - `ids` unknown[], required
    - unknown
  - `filter` object

## Response `200`

OK

- object
  - `data` object, required
  - `warnings` string[], required
  - `errors` string[], required

## Other responses

- `400` — bad request
- `404` — requested resource not found

---

[API](https://skmtc.net/lightcast/apis/alumni-pathways-2-0.md) · [All operations](https://skmtc.net/lightcast/apis/alumni-pathways-2-0/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/lightcast/alumni-pathways-2-0/revisions/fc66b9877391/schema)