---
title: "Changes to Frame Synthesis"
method: POST
path: "/frame_synthesis"
---

# Changes to Frame Synthesis

`POST /frame_synthesis`

> Every recorded change to this endpoint, newest first.

## Timeline

Changed in 7 of 36 revisions.

- **2025-03-02** `d8b6a60f88af` — 1 info
- **2024-10-05** `e86c0159e1bd` — 1 info
- **2024-01-28** `2e8475c446af` — 1 breaking, 1 warning, 1 info
- **2024-01-22** `ba5021ec9a6d` — 1 info
- **2024-01-20** `2a8c9cc0823a` — 1 breaking
- **2024-01-17** `1bed97d41915` — 1 info
- **2021-08-01** `54e3a135bccf` — 1 breaking

## Changes

- **2025-03-02** `d8b6a60f88af` — 1 info
  - api operation id `frame_synthesis_frame_synthesis_post` removed and replaced with `frame_synthesis`
- **2024-10-05** `e86c0159e1bd` — 1 info
  - added the new optional request property `phonemes/items/note_id`
- **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` — 1 info
  - endpoint added
- **2024-01-20** `2a8c9cc0823a` — 1 breaking
  - api path removed without deprecation
- **2024-01-17** `1bed97d41915` — 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/frame_synthesis/post.md) · [API](https://skmtc.dev/voicevox/apis/voicevox-engine-oss.md) · [Page](https://skmtc.dev/voicevox/apis/voicevox-engine-oss/changes/frame_synthesis/post)