curl -X PATCH 'https://api.elevenlabs.io/v1/dubbing/project/project-id/language/language-id/transcript/segment/segment-id' \
  -H "xi-api-key: $ELEVENLABS_API_KEY" \
  -H 'Content-Type: application/json' \
  -d '{
  "translation": "string"
}'

# PATCH /v1/dubbing/project/{project_id}/language/{language_id}/transcript/segment/{segment_id} (ElevenLabs API)
Base URL: https://api.elevenlabs.io
Auth: xi-api-key: <ELEVENLABS_API_KEY>
Last verified: 2026-09-03

> Update Dubbing Target Transcript Segment

## 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/project/project-id/language/language-id/transcript/segment/segment-id' \
  -H "xi-api-key: $ELEVENLABS_API_KEY" \
  -H 'Content-Type: application/json' \
  -d '{"translation":"string"}'

## Parameters
| Name | In | Type | Required | Description |
| :--- | :--- | :--- | :--- | :--- |
| project_id | path | string | Yes | Identifier of the dubbing project. |
| language_id | path | string | Yes | Identifier of the language target. |
| segment_id | path | string | Yes | Identifier of the segment to edit. |

## Response (200 OK)
{"segment":{"id":"string","speaker_id":"string"},"revision":0}

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

PATCH

/v1/dubbing/project/{project_id}/language/{language_id}/transcript/segment/{segment_id}

ElevenLabs API

Update Dubbing Target Transcript Segment

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
→ 211 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/project/project-id/language/language-id/transcript/segment/segment-id' \  -H "xi-api-key: $ELEVENLABS_API_KEY" \  -H 'Content-Type: application/json' \  -d '{  "translation": "string"}'

Get a free ElevenLabs API key → sponsored

Parameters

Name	In	Type	Required	Description
project_id	path	string	Yes	Identifier of the dubbing project.
language_id	path	string	Yes	Identifier of the language target.
segment_id	path	string	Yes	Identifier of the segment to edit.
translation	body	string	No	New translated text, or null to mark the segment for re-translation.

Response 200 OK

{
  "segment": {
    "id": "string",
    "speaker_id": "string",
    "start_s": 0,
    "end_s": 0,
    "source_text": "string",
    "translation": "string"
  },
  "revision": 0
}