---
title: "Add Voice To Collection"
method: POST
path: "/v1/voices/collections/{collection_id}/voice/{voice_id}"
tags: ["voices"]
---

# Add Voice To Collection

`POST /v1/voices/collections/{collection_id}/voice/{voice_id}`

## Request

- Base URL: `https://api.elevenlabs.io` (the document declares no server; this is the origin it was published from)
- URL: `https://api.elevenlabs.io/v1/voices/collections/{collection_id}/voice/{voice_id}`
- Auth: none declared

Adds a voice to a voice collection. Adding a voice that is already in the collection succeeds without changes. Requires editor access to the collection.

## Path parameters

- `collection_id` string, required: Collection ID.
- `voice_id` string, required: Voice ID to be used, you can use https://api.elevenlabs.io/v1/voices to list all the available voices.

## Headers

- `xi-api-key` string, nullable: Your API key. This is required by most endpoints to access our API programmatically. You can view your xi-api-key using the 'Profile' tab on the website.

## Response `200`

Successful Response

- AddVoiceToUserVoiceCollectionResponseModel
  - `collection_id` string, required: The ID of the voice collection.
  - `voice_id` string, required: The ID of the voice that was added.

## Other responses

- `422`: Validation Error

## Changes

- **2026-10-08** `bfa9d7a4aa2a`: 1 info
  - endpoint added

[Operation history](https://skmtc.dev/elevenlabs/apis/elevenlabs-api-documentation/changes/v1/voices/collections/:collection_id/voice/:voice_id/post.md)

---

[API](https://skmtc.dev/elevenlabs/apis/elevenlabs-api-documentation.md) - [All operations](https://skmtc.dev/elevenlabs/apis/elevenlabs-api-documentation/llms.txt) - [OpenAPI document](https://skmtc.dev/elevenlabs/apis/elevenlabs-api-documentation/revisions/0e2bfc751634?raw)