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Documentation Index

Fetch the complete documentation index at: https://docs.getbutter.ai/llms.txt

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

Use these endpoints to discover shared ElevenLabs voices and add selected voices for agent usage.

​
List shared library voices

GET /api/voices/elevenlabs/library

​
Query Parameters

​
query
string
Free-text search query.
​
language
string
Language code filter.
​
gender
string
Gender filter (for example male or female).
​
age
string
Age filter (for example young, middle_aged, old).
​
accent
string
Accent filter.
​
category
string
Voice category filter.
​
use_cases
array
Use-case filter. Can be repeated for multiple use cases.
​
sort
string
Sort option. Default: trending.
​
page
integer
Zero-based page index.
​
page_size
integer
Page size (max 100).

​
Response

​
voices
array
Library voices that match filters.
​
voices[].id
string
Voice ID.
​
voices[].public_owner_id
string
Public owner ID used when adding the voice.
​
voices[].name
string
Voice display name.
​
voices[].preview_url
string|null
Direct preview URL when available.
​
has_more
boolean
Whether additional pages are available.
​
next_cursor
string|null
Next page index as string when more pages exist.

​
Add a shared voice to your library

POST /api/voices/elevenlabs/library/add
​
public_owner_id
string
required
Public owner ID from the shared voice listing.
​
voice_id
string
required
Shared voice ID to add.
​
name
string
required
Name to save the voice under in your workspace.
​
voice_id
string
Added voice ID in your ElevenLabs account/library.
{
  "public_owner_id": "owner_123abc",
  "voice_id": "21m00Tcm4TlvDq8ikWAM",
  "name": "Support Voice - Calm"
}

{
  "voice_id": "21m00Tcm4TlvDq8ikWAM"
}