---
title: "Changes to AivisSpeech Engine ではサポートされていない API です (常に 501 Not Implemented を返します)"
method: POST
path: "/sing_frame_f0"
---

# Changes to AivisSpeech Engine ではサポートされていない API です (常に 501 Not Implemented を返します)

`POST /sing_frame_f0`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 6 of 50 revisions.

- **2026-03-31** `bd7182f25e54`: 2 info
- **2025-03-02** `d8b6a60f88af`: 1 info
- **2025-02-27** `703f1d35f62e`: 1 info
- **2025-01-04** `df13668c123d`: 1 breaking
- **2025-01-03** `b7afc41080b3`: 1 info
- **2024-01-17** `1bed97d41915`: 1 breaking

## Changes

- **2026-03-31** `bd7182f25e54`: 2 info
  - added the optional property `detail/items/ctx` to the response with the `422` status
  - added the optional property `detail/items/input` to the response with the `422` status
- **2025-03-02** `d8b6a60f88af`: 1 info
  - api operation id `sing_frame_f0_sing_frame_f0_post` removed and replaced with `sing_frame_f0`
- **2025-02-27** `703f1d35f62e`: 1 info
  - endpoint added
- **2025-01-04** `df13668c123d`: 1 breaking
  - api path removed without deprecation
- **2025-01-03** `b7afc41080b3`: 1 info
  - endpoint added
- **2024-01-17** `1bed97d41915`: 1 breaking
  - api path removed without deprecation

---

[Operation](https://skmtc.dev/aivis-project/apis/aivisspeech-engine/docs/sing_frame_f0/post.md) - [API](https://skmtc.dev/aivis-project/apis/aivisspeech-engine.md) - [Page](https://skmtc.dev/aivis-project/apis/aivisspeech-engine/changes/sing_frame_f0/post)