---
title: "Get all ontology versions"
method: GET
path: "/v2/ontology/ontology-versions"
tags: ["Ontology"]
---

# Get all ontology versions

`GET /v2/ontology/ontology-versions`

## Request body

- object, nullable

## Response `200`

Successful Response

- OntologyVersionResponse
  - `versions` string[], 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/4850d81778a4/schema)