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POST
/
suno
/
v1
/
fade-in
cURL
curl --request POST \
  --url https://api.ttapi.io/suno/v1/fade-in \
  --header 'Content-Type: application/json' \
  --header 'TT-API-KEY: <api-key>' \
  --data '
{
  "music_id": "<string>",
  "fade_time_s": 123,
  "title": "<string>",
  "isStorage": true,
  "hookUrl": "<string>"
}
'
{
  "status": "SUCCESS",
  "message": "success",
  "data": {
    "jobId": "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
  }
}
Use this endpoint to apply a fade-in effect to an existing Suno track. Submit music_id, fade_time_s, and title; store the returned jobId and retrieve the edited result through Suno Fetch V2 or your hookUrl callback.

Authorizations

​
TT-API-KEY
string
header
required

You can obtain your API key from the TTAPI Dashboard.

Body

application/json
​
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
default:true

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

Request successful

​
status
string
required
Example:

"SUCCESS"

​
message
string
required
Example:

"success"

​
data
object
required
Example:
{
  "jobId": "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
}
Last modified on June 8, 2026