---
title: "Changes to Update a custom avatar"
method: PATCH
path: "/ai/avatars/{avatar_id}"
---

# Changes to Update a custom avatar

`PATCH /ai/avatars/{avatar_id}`

> Every recorded change to this operation, newest first.
> 152 revisions in range; 1 not diffed.

## Timeline

Changed in 2 of 152 revisions.

- **2026-10-15** `e33b4a326dda`: 3 breaking, 1 warning, 4 info
- **2026-10-15** `da303e40b51e`: 1 info

## Changes

- **2026-10-15** `e33b4a326dda`: 3 breaking, 1 warning, 4 info
  - for the `path` request parameter `avatar_id`, the minLength was increased from `0` to `1`
  - added the pattern `^[A-Za-z0-9][A-Za-z0-9._:-]{0,127}$` to the `path` request parameter `avatar_id`
  - the `data/id` response's property type changed from no type to `string` for status `200`
  - for the `path` request parameter `avatar_id`, the maxLength was set to `128`
  - for the `path` request parameter `avatar_id`, the type was generalized from no type to `string`
  - added the optional property `data/suggested_voice_id` to the response with the `200` status
  - removed `subschema #1: Stock avatar ID, subschema #2: Custom avatar ID` from the `data/id` response property `oneOf` list for the response status `200`
  - the `data/id` response's property pattern `^[A-Za-z0-9][A-Za-z0-9._:-]{0,127}$` was added for the status `200`
- **2026-10-15** `da303e40b51e`: 1 info
  - endpoint added

---

[Operation](https://skmtc.dev/team-telnyx/apis/telnyx-api-2/docs/ai/avatars/:avatar_id/patch.md) - [API](https://skmtc.dev/team-telnyx/apis/telnyx-api-2.md) - [Page](https://skmtc.dev/team-telnyx/apis/telnyx-api-2/changes/ai/avatars/:avatar_id/patch)