---
title: "Returns version information."
method: GET
path: "/api/version"
---

# Returns version information.

`GET /api/version`

## Response `200`

Returns version information.

- object
  - `versions` object
    - `author_tools_api` string — Author Tools API version
    - `xml2rfc` string — xml2rfc version
    - `kramdown-rfc` string — kramdown-rfc version
    - `mmark` string — mmark version
    - `id2xml` string — id2xml version
    - `weasyprint` string — weasyprint version
    - `idnits` string — idnits version
    - `iddiff` string — iddiff version
    - `aasvg` string — aasvg version
    - `bap` string — bap version
    - `svgcheck` string — svgcheck version
    - `rfcdiff` string — rfcdiff version
    - `rst2rfcxml` string — rst2rfcxml version

---

[API](https://skmtc.net/ietf-tools/apis/ietf-author-tools-api.md) · [All operations](https://skmtc.net/ietf-tools/apis/ietf-author-tools-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/ietf-tools/ietf-author-tools-api/versions/8db1416c9cdd/schema)