curl -X PATCH 'https://api.elevenlabs.io/v1/dubbing/resource/dubbing-id/speaker/speaker-id' \
  -H "xi-api-key: $ELEVENLABS_API_KEY" \
  -H 'Content-Type: application/json' \
  -d '{
  "speaker_name": "string",
  "voice_id": "string",
  "voice_stability": 0,
  "voice_similarity": 0,
  "voice_style": 0,
  "languages": [
    "string"
  ]
}'

# PATCH /v1/dubbing/resource/{dubbing_id}/speaker/{speaker_id} (ElevenLabs API)
Base URL: https://api.elevenlabs.io
Auth: xi-api-key: <ELEVENLABS_API_KEY>
Last verified: 2026-09-03

> Update Metadata For A Speaker

## 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 PATCH 'https://api.elevenlabs.io/v1/dubbing/resource/dubbing-id/speaker/speaker-id' \
  -H "xi-api-key: $ELEVENLABS_API_KEY" \
  -H 'Content-Type: application/json' \
  -d '{"speaker_name":"string","voice_id":"string"}'

## Parameters
| Name | In | Type | Required | Description |
| :--- | :--- | :--- | :--- | :--- |
| dubbing_id | path | string | Yes | ID of the dubbing project. |
| speaker_id | path | string | Yes | ID of the speaker. |
| speaker_name | body | string | No | Name to attribute to this speaker. |

## Response (200 OK)
{"version":0}

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

PATCH

/v1/dubbing/resource/{dubbing_id}/speaker/{speaker_id}

ElevenLabs API

Update Metadata For A Speaker

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
→ 210 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 PATCH 'https://api.elevenlabs.io/v1/dubbing/resource/dubbing-id/speaker/speaker-id' \  -H "xi-api-key: $ELEVENLABS_API_KEY" \  -H 'Content-Type: application/json' \  -d '{  "speaker_name": "string",  "voice_id": "string",  "voice_stability": 0,  "voice_similarity": 0,  "voice_style": 0,  "languages": [    "string"  ]}'

Get a free ElevenLabs API key → sponsored

Parameters

Name	In	Type	Required	Description
dubbing_id	path	string	Yes	ID of the dubbing project.
speaker_id	path	string	Yes	ID of the speaker.
speaker_name	body	string	No	Name to attribute to this speaker.
voice_id	body	string	No	Either the identifier of a voice from the ElevenLabs voice library, or one of ['track-clone', 'clip-clone'].
voice_stability	body	number	No	For models that support it, the voice similarity value to use. This will default to 0.65, with a valid range of [0.0, 1.0].
voice_similarity	body	number	No	For models that support it, the voice similarity value to use. This will default to 1.0, with a valid range of [0.0, 1.0].
voice_style	body	number	No	For models that support it, the voice style value to use. This will default to 1.0, with a valid range of [0.0, 1.0].
languages	body	string[]	No	Languages to apply these changes to. If empty, will apply to all languages.

Response 200 OK

{
  "version": 0
}