# POST /v1/voices/add/{public_user_id}/{voice_id} (ElevenLabs API)
Base URL: https://api.elevenlabs.io
Auth: xi-api-key: <ELEVENLABS_API_KEY>
Last verified: 2026-09-03

> Add Shared Voice

## 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/voices/add/public-user-id/voice-id' \
  -H "xi-api-key: $ELEVENLABS_API_KEY" \
  -H 'Content-Type: application/json' \
  -d '{"new_name":"string","bookmarked":true}'

## Parameters
| Name | In | Type | Required | Description |
| :--- | :--- | :--- | :--- | :--- |
| public_user_id | path | string | Yes | Public user ID used to publicly ident... |
| voice_id | path | string | Yes | Voice ID to be used, you can use http... |
| new_name | body | string | Yes | The name that identifies this voice.... |

## Response (200 OK)
{"voice_id":"b38kUX8pkfYO2kHyqfFy"}

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