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POST
/
suno
/
v1
/
adjust-speed
cURL
curl --request POST \
  --url https://api.ttapi.io/suno/v1/adjust-speed \
  --header 'Content-Type: application/json' \
  --header 'TT-API-KEY: <api-key>' \
  --data '
{
  "music_id": "<string>",
  "keep_pitch": false,
  "speed_multiplier": 1,
  "title": "<string>",
  "isStorage": true,
  "hookUrl": "<string>"
}
'
{
  "status": "SUCCESS",
  "message": "success",
  "data": {
    "job_id": "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
  }
}
This endpoint costs 3 quota (approx. $0.03) per request.
Submit the source music_id, a speed_multiplier from 0.25 to 4, the keep_pitch option, and the output title. Save the returned jobId, then retrieve the result through Suno Fetch V2 or the 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 adjust.

​
keep_pitch
boolean
default:false
required

Whether to preserve the original pitch while changing speed.

​
speed_multiplier
number
default:1
required

Playback speed multiplier. Valid range: 0.25 to 4.

Required range: 0.25 <= x <= 4
​
title
string
required

Title for the adjusted output track.

​
isStorage
boolean
default:true

Whether to store the adjusted audio and return a TTAPI CDN URL.

​
hookUrl
string

Callback URL for task updates and results.

Response

Request successful

​
status
string
required
Example:

"SUCCESS"

​
message
string
required
Example:

"success"

​
data
object
required
Example:
{
  "job_id": "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
}
Last modified on June 11, 2026