curl -X POST 'https://api.elevenlabs.io/v1/voices/voice-id/replicate-to-isolated-environment' \
  -H "xi-api-key: $ELEVENLABS_API_KEY" \
  -H 'Content-Type: application/json' \
  -d '{
  "target_workspace_id": "string",
  "preserve_voice_id": true
}'

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

> Replicate Voice To Isolated Environment

## 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/voice-id/replicate-to-isolated-environment' \
  -H "xi-api-key: $ELEVENLABS_API_KEY" \
  -H 'Content-Type: application/json' \
  -d '{"target_workspace_id":"string","preserve_voice_id":true}'

## Parameters
| Name | In | Type | Required | Description |
| :--- | :--- | :--- | :--- | :--- |
| voice_id | path | string | Yes | Voice ID to be used, you can use https://api.elevenlabs.i... |
| target_workspace_id | body | string | Yes | ID of the workspace to replicate the voice into. It must... |
| preserve_voice_id | body | boolean | No | When true (default) the replicated voice keeps the same v... |

## Response (200 OK)
{"voice_id":"21m00Tcm4TlvDq8ikWAM"}

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

POST

/v1/voices/{voice_id}/replicate-to-isolated-environment

ElevenLabs API

Replicate Voice To Isolated Environment

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/voices/voice-id/replicate-to-isolated-environment' \  -H "xi-api-key: $ELEVENLABS_API_KEY" \  -H 'Content-Type: application/json' \  -d '{  "target_workspace_id": "string",  "preserve_voice_id": true}'

Get a free ElevenLabs API key → sponsored

Parameters

Name	In	Type	Required	Description
voice_id	path	string	Yes	Voice ID to be used, you can use https://api.elevenlabs.io/v1/voices to list all the available voices.
target_workspace_id	body	string	Yes	ID of the workspace to replicate the voice into. It must belong to the same consolidated billing group as the calling workspace; the target's data residency is derived from that link.
preserve_voice_id	body	boolean	No	When true (default) the replicated voice keeps the same voice ID in the target residency; set to false to assign a new voice ID.

Response 200 OK

{
  "voice_id": "21m00Tcm4TlvDq8ikWAM"
}