---
title: "Changes to Update Preset"
method: POST
path: "/update_preset"
---

# Changes to Update Preset

`POST /update_preset`

> Every recorded change to this endpoint, newest first.

## Timeline

Changed in 7 of 36 revisions.

- **2025-03-02** `d8b6a60f88af` — 1 info
- **2025-01-03** `b7afc41080b3` — 11 breaking, 1 warning, 2 info
- **2024-06-28** `3b94f9a50fd2` — 2 info
- **2024-04-26** `907e5011a1aa` — 2 breaking, 10 warning
- **2024-01-17** `98b1b5ed5d83` — 1 breaking
- **2023-01-25** `f7e53c9bea9f` — 1 info
- **2021-08-01** `54e3a135bccf` — 1 breaking

## Changes

- **2025-03-02** `d8b6a60f88af` — 1 info
  - api operation id `update_preset_update_preset_post` removed and replaced with `update_preset`
- **2025-01-03** `b7afc41080b3` — 11 breaking, 1 warning, 2 info
  - added the new required request property `id`
  - added the new required request property `intonationScale`
  - added the new required request property `name`
  - added the new required request property `pitchScale`
  - added the new required request property `postPhonemeLength`
  - added the new required request property `prePhonemeLength`
  - added the new required request property `speaker_uuid`
  - added the new required request property `speedScale`
  - added the new required request property `style_id`
  - added the new required request property `volumeScale`
  - the request's body type/format changed from ``/`` to `object`/``
  - removed `#/components/schemas/Preset` from the request body `allOf` list
  - added the new optional request property `pauseLength`
  - added the new optional request property `pauseLengthScale`
- **2024-06-28** `3b94f9a50fd2` — 2 info
  - added the new optional request property `allOf[subschema #1: Preset]/pauseLength`
  - added the new optional request property `allOf[subschema #1: Preset]/pauseLengthScale`
- **2024-04-26** `907e5011a1aa` — 2 breaking, 10 warning
  - added `#/components/schemas/Preset` to the request body `allOf` list
  - the request's body type/format changed from `object`/`` to ``/``
  - removed the request property `id`
  - removed the request property `intonationScale`
  - removed the request property `name`
  - removed the request property `pitchScale`
  - removed the request property `postPhonemeLength`
  - removed the request property `prePhonemeLength`
  - removed the request property `speaker_uuid`
  - removed the request property `speedScale`
  - removed the request property `style_id`
  - removed the request property `volumeScale`
- **2024-01-17** `98b1b5ed5d83` — 1 breaking
  - response property `detail/items/loc/items/` list-of-types was widened by adding types `integer` to media type `application/json` of response `422`
- **2023-01-25** `f7e53c9bea9f` — 1 info
  - endpoint added
- **2021-08-01** `54e3a135bccf` — 1 breaking
  - api path removed without deprecation

---

[Operation](https://skmtc.dev/voicevox/apis/voicevox-engine-oss/docs/update_preset/post.md) · [API](https://skmtc.dev/voicevox/apis/voicevox-engine-oss.md) · [Page](https://skmtc.dev/voicevox/apis/voicevox-engine-oss/changes/update_preset/post)