---
title: "POST /suno/v1/adjust-speed"
method: POST
path: "/suno/v1/adjust-speed"
---

# POST /suno/v1/adjust-speed

`POST /suno/v1/adjust-speed`

## Request body

- object
  - `music_id` string, required — Source music ID to adjust.
  - `keep_pitch` boolean, required — Whether to preserve the original pitch while changing speed.
  - `speed_multiplier` number, required — Playback speed multiplier. Valid range: 0.25 to 4.
  - `title` string, required — Title for the adjusted output track.
  - `isStorage` boolean — Whether to store the adjusted audio and return a TTAPI CDN URL.
  - `hookUrl` string — Callback URL for task updates and results.

## Response `200`

Request successful

- object
  - `status` string, required
  - `message` string, required
  - `data` object, required

## Other responses

- `400` — Parameter error
- `401` — Authorization failed

---

[API](https://skmtc.net/ttapi/apis/flowmusic-api-docs.md) · [All operations](https://skmtc.net/ttapi/apis/flowmusic-api-docs/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/ttapi/flowmusic-api-docs/versions/f27f8a59dbd0/schema)