curl -X POST 'https://api.elevenlabs.io/v1/music/finetunes' \
  -H "xi-api-key: $ELEVENLABS_API_KEY" \
  -F 'name=string' \
  -F 'primary_genre=string' \
  -F 'files=@sample.bin' \
  -F 'tags=string' \
  -F 'visibility=private' \
  -F 'model_id=music_v1'

# POST /v1/music/finetunes (ElevenLabs API)
Base URL: https://api.elevenlabs.io
Auth: xi-api-key: <ELEVENLABS_API_KEY>
Last verified: 2026-09-03

> Create Music Finetune

## Critical Gotchas
* Authentication uses the non-standard `xi-api-key` header, not `Authorization: Bearer`. Sending a Bearer token returns HTTP 401.
* Text-to-speech responses are raw binary audio, not JSON. Write the body to a file (`--output speech.mp3`) rather than parsing it.

## cURL
curl -X POST 'https://api.elevenlabs.io/v1/music/finetunes' \
  -H "xi-api-key: $ELEVENLABS_API_KEY" \
  -F 'name=string' \
  -F 'primary_genre=string'

## Parameters
| Name | In | Type | Required | Description |
| :--- | :--- | :--- | :--- | :--- |
| name | body | string | Yes | Name for the finetune (5-200 characters). |
| primary_genre | body | string | Yes | Primary musical genre of the finetune. |
| files | body | string[] | No | Audio files to train on. |
| tags | body | string[] | No | Tags to associate with the finetune. |

## Response (200 OK)
{"id":"string","name":"string"}

---
Need an API key? Get one at https://elevenlabs.io/app/sign-up

POST

/v1/music/finetunes

ElevenLabs API

Create Music Finetune

Base URL: https://api.elevenlabs.io
Auth: xi-api-key: <ELEVENLABS_API_KEY>
Last verified: 2026-09-03 · upstream hash matched

Actions

Agents: curl -H "Accept: text/markdown" this URL
→ 229 tokens · Vary: Accept

Critical gotchas

Authentication uses the non-standard xi-api-key header, not Authorization: Bearer. Sending a Bearer token returns HTTP 401.

Text-to-speech responses are raw binary audio, not JSON. Write the body to a file (--output speech.mp3) rather than parsing it.

cURL

curl -X POST 'https://api.elevenlabs.io/v1/music/finetunes' \  -H "xi-api-key: $ELEVENLABS_API_KEY" \  -F 'name=string' \  -F 'primary_genre=string' \  -F 'files=@sample.bin' \  -F 'tags=string' \  -F 'visibility=private' \  -F 'model_id=music_v1'

Get a free ElevenLabs API key → sponsored

Parameters

Name	In	Type	Required	Description
name	body	string	Yes	Name for the finetune (5-200 characters).
primary_genre	body	string	Yes	Primary musical genre of the finetune.
files	body	string[]	No	Audio files to train on.
tags	body	string[]	No	Tags to associate with the finetune.
visibility	body	string	No	Finetune visibility. Only 'private' and 'workspace' can be set.
model_id	body	string	No	Request body field model_id.

Response 200 OK

{
  "id": "string",
  "name": "string",
  "tags": [
    "string"
  ],
  "primary_genre": "string",
  "model_id": "string",
  "created_at": "2026-09-03T00:00:00Z",
  "visibility": "private",
  "created_by": "self",
  "status": "pending",
  "training_progress": 0,
  "failure_reason": "audio_processing_failed"
}