> ## 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.

# Suno Add Vocals API Reference

> Reference for the Suno Add Vocals endpoint on TTAPI, including when to add vocal layers to existing arrangements, melodies, or song drafts.

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](/api/en/suno).


## OpenAPI

````yaml openapi/en/suno.json POST /suno/v1/add-vocals
openapi: 3.1.0
info:
  title: TTAPI API DOCS
  version: 1.0.0
  description: Suno AI Music API
servers:
  - url: https://api.ttapi.io
security: []
paths: {}

````