---
title: "Changes to List Voices"
method: GET
path: "/v1/license/voices"
---

# Changes to List Voices

`GET /v1/license/voices`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 1 of 17 revisions.

- **2026-09-22** `ba0691df619a`: 1 warning, 4 info

## Changes

- **2026-09-22** `ba0691df619a`: 1 warning, 4 info
  - deleted the `query` request parameter `instance_id`
  - added the new optional `header` request parameter `X-Kugel-License-Key`
  - the `query` request parameter `license_key` became optional
  - `query` request parameter `license_key` list-of-types was widened by adding types `null`
  - for the `query` request parameter `license_key`, the type was generalized from `string` to no type

---

[Operation](https://skmtc.dev/kugelaudio/apis/kugelaudio-tts-api/docs/v1/license/voices/get.md) - [API](https://skmtc.dev/kugelaudio/apis/kugelaudio-tts-api.md) - [Page](https://skmtc.dev/kugelaudio/apis/kugelaudio-tts-api/changes/v1/license/voices/get)