---
title: "Get Subjects"
method: GET
path: "/v2/ontology/subjects"
tags: ["Ontology"]
---

# Get Subjects

`GET /v2/ontology/subjects`

## Query parameters

- `limit` integer, nullable — Max number of subjects to return

## Request body

- object, nullable

## Response `200`

Successful Response

- SubjectResponse
  - `items` Subject[], required
    - `label` string, required
    - `key` string, required
    - `subject_id` integer, nullable
    - `description` string, required
    - `category` string, required
    - `sources` union, required
      - string[]
      - array[]
        - string[]
    - `topics` string[], required
    - `last_updated_timestamp` string, date-time, required

## Other responses

- `404` — Not Found
- `422` — Validation Error

---

[API](https://skmtc.net/carbonarc/apis/carbon-arc-api-documentation.md) · [All operations](https://skmtc.net/carbonarc/apis/carbon-arc-api-documentation/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/carbonarc/carbon-arc-api-documentation/revisions/bd33ea42994c/schema)