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POST
/
suno
/
v1
/
add-vocals
cURL
curl --request POST \
  --url https://api.ttapi.io/suno/v1/add-vocals \
  --header 'Content-Type: application/json' \
  --header 'TT-API-KEY: <api-key>' \
  --data '
{
  "custom": false,
  "mv": "chirp-v5",
  "music_id": "<string>",
  "gpt_description_prompt": "Night city lo-fi piano with rain ambience, soft vocal phrases, theme: \"Under the city lights\"",
  "prompt": "<string>",
  "title": "<string>",
  "tags": "rock, blues, hip-hop, r&b",
  "negative_tags": "<string>",
  "style_weight": 0.5,
  "weirdness_constraint": 0.5,
  "audio_weight": 0.5,
  "vocal_gender": "Male",
  "isStorage": false,
  "hookUrl": "<string>"
}
'
{
  "status": "SUCCESS",
  "message": "success",
  "data": {
    "job_id": "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
  }
}

Documentation Index

Fetch the complete documentation index at: https://docs.ttapi.io/llms.txt

Use this file to discover all available pages before exploring further.

Use this endpoint when you already have an arrangement and need a generated vocal layer. For the main docs hub and workflow map, start with the Suno API docs overview.

Authorizations

​
TT-API-KEY
string
header
required

You can obtain your API key from the TTAPI Dashboard.

Body

application/json
​
custom
boolean
default:false
required

Whether to use custom mode.

  • true: Audio will be generated from lyrics
  • false: Audio will be generated based on inspiration mode prompts
​
mv
enum<string>
default:chirp-v5
required

Model to use.

Available options:
chirp-v5-5,
chirp-v5,
chirp-v4-5+,
chirp-v4-5,
chirp-v4-5-all,
chirp-v4,
chirp-v3-5,
chirp-v3-0
​
music_id
string
required

Audio ID

​
gpt_description_prompt
string

Prompt for inspiration mode.

When not using custom mode (custom=false), this parameter is always required. Lyrics will be automatically generated from this prompt. Maximum length: 500 characters.

Example:

"Night city lo-fi piano with rain ambience, soft vocal phrases, theme: \"Under the city lights\""

​
prompt
string

Lyrics.

Used in custom mode (custom=true). Required when instrumental is false. The lyrics will be used and sung in the generated track.

​
title
string

Music title.

Used in custom mode (custom=true). Maximum length: 80 characters.

​
tags
string

Music style or genre.

Used in custom mode (custom=true).

Example:

"rock, blues, hip-hop, r&b"

​
negative_tags
string

Music styles or genres that should be excluded from generation.

Used in custom mode (custom=true).

​
style_weight
number

Music style weight, range: 0.00–1.00.

Used in custom mode. Valid range: 0 <= x <= 1.

Example:

0.5

​
weirdness_constraint
number

Audio creativity (weirdness) weight, range: 0.00–1.00.

Used in custom mode. Valid range: 0 <= x <= 1.

Example:

0.5

​
audio_weight
number

Audio weight, range: 0.00–1.00.

Used in custom mode. Valid range: 0 <= x <= 1.

Example:

0.5

​
vocal_gender
enum<string>

Vocal gender.

  • Male: Male voice

  • Female: Female voice

Available options:
Male,
Female
​
isStorage
boolean
default:false

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:
{
  "job_id": "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
}
Last modified on April 17, 2026