---
title: "POST /suno/v1/fade-in"
method: POST
path: "/suno/v1/fade-in"
---

# POST /suno/v1/fade-in

`POST /suno/v1/fade-in`

## Request body

- object
  - `music_id` string, required — Source music ID to edit.
  - `fade_time_s` number, required — Fade duration, in seconds.
  - `title` string, required — Base title for the edited track. The resulting title is submitted with a Fade In suffix.
  - `isStorage` boolean — Whether to store the generated audio. - **true**: The audio will be stored and a TTAPI CDN URL will be returned - **false**: The original source URL will be returned
  - `hookUrl` string — Callback notification URL

## Response `200`

Request successful

- object
  - `status` string, required
  - `message` string, required
  - `data` object, required
    - `jobId` string, required — Task ID for querying the edit result.

## 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)