---
title: "Changes to アクセント句から音素の長さを得る"
method: POST
path: "/mora_length"
---

# Changes to アクセント句から音素の長さを得る

`POST /mora_length`

> Every recorded change to this endpoint, newest first.

## Timeline

Changed in 10 of 36 revisions.

- **2025-03-02** `d8b6a60f88af` — 1 info
- **2025-01-03** `b7afc41080b3` — 6 breaking, 1 warning, 9 info
- **2024-01-28** `2e8475c446af` — 1 breaking, 1 warning, 1 info
- **2024-01-22** `ba5021ec9a6d` — 3 info
- **2024-01-20** `2a8c9cc0823a` — 1 breaking, 1 warning, 1 info
- **2024-01-17** `98b1b5ed5d83` — 1 breaking, 3 info
- **2022-02-26** `6ceee601dc21` — 1 info
- **2022-02-04** `4f999bbd6947` — 2 info
- **2021-09-21** `abf6494c5052` — 1 info
- **2021-08-01** `54e3a135bccf` — 1 breaking

## Changes

- **2025-03-02** `d8b6a60f88af` — 1 info
  - api operation id `mora_length_mora_length_post` removed and replaced with `mora_length`
- **2025-01-03** `b7afc41080b3` — 6 breaking, 1 warning, 9 info
  - added the new required request property `items/pause_mora/pitch`
  - added the new required request property `items/pause_mora/text`
  - added the new required request property `items/pause_mora/vowel`
  - added the new required request property `items/pause_mora/vowel_length`
  - the `items/pause_mora` request property type/format changed from ``/`` to `object`/``
  - the `items/pause_mora` response's property type/format changed from ``/`` to `object`/`` for status `200`
  - removed `#/components/schemas/Mora` from the `items/pause_mora` request property `allOf` list
  - added the new optional request property `items/pause_mora/consonant`
  - added the new optional request property `items/pause_mora/consonant_length`
  - added the optional property `items/pause_mora/consonant` to the response with the `200` status
  - added the optional property `items/pause_mora/consonant_length` to the response with the `200` status
  - removed `#/components/schemas/Mora` from the `items/pause_mora` response property `allOf` list for the response status `200`
  - added the required property `items/pause_mora/pitch` to the response with the `200` status
  - added the required property `items/pause_mora/text` to the response with the `200` status
  - added the required property `items/pause_mora/vowel` to the response with the `200` status
  - added the required property `items/pause_mora/vowel_length` to the response with the `200` status
- **2024-01-28** `2e8475c446af` — 1 breaking, 1 warning, 1 info
  - the `query` request parameter `speaker` became required
  - deleted the `query` request parameter `style_id`
  - `query` request parameter `speaker` was reactivated
- **2024-01-22** `ba5021ec9a6d` — 3 info
  - added the new optional `query` request parameter `style_id`
  - the `query` request parameter `speaker` became optional
  - `query` request parameter `speaker` was deprecated
- **2024-01-20** `2a8c9cc0823a` — 1 breaking, 1 warning, 1 info
  - the `query` request parameter `speaker` became required
  - deleted the `query` request parameter `style_id`
  - `query` request parameter `speaker` was reactivated
- **2024-01-17** `98b1b5ed5d83` — 1 breaking, 3 info
  - response property `detail/items/loc/items/` list-of-types was widened by adding types `integer` to media type `application/json` of response `422`
  - added the new optional `query` request parameter `style_id`
  - the `query` request parameter `speaker` became optional
  - `query` request parameter `speaker` was deprecated
- **2022-02-26** `6ceee601dc21` — 1 info
  - added the new optional `query` request parameter `core_version`
- **2022-02-04** `4f999bbd6947` — 2 info
  - added the new optional request property `items/is_interrogative`
  - added the optional property `items/is_interrogative` to the response with the `200` status
- **2021-09-21** `abf6494c5052` — 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/mora_length/post.md) · [API](https://skmtc.dev/voicevox/apis/voicevox-engine-oss.md) · [Page](https://skmtc.dev/voicevox/apis/voicevox-engine-oss/changes/mora_length/post)