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POST
cURL
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:
Last modified on June 11, 2026