curl -X PATCH 'https://api.elevenlabs.io/v1/dubbing/resource/dubbing-id/segment/segment-id/example-language' \
  -H "xi-api-key: $ELEVENLABS_API_KEY" \
  -H 'Content-Type: application/json' \
  -d '{
  "start_time": 0,
  "end_time": 0,
  "text": "string"
}'

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

> Modify A Single 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/resource/dubbing-id/segment/segment-id/example-language' \
  -H "xi-api-key: $ELEVENLABS_API_KEY" \
  -H 'Content-Type: application/json' \
  -d '{"start_time":0,"end_time":0,"text":"string"}'

## Parameters
| Name | In | Type | Required | Description |
| :--- | :--- | :--- | :--- | :--- |
| dubbing_id | path | string | Yes | ID of the dubbing project. |
| segment_id | path | string | Yes | ID of the segment |
| language | path | string | Yes | ID of the language. |
| start_time | body | number | No | Request body field start_time. |

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

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

PATCH

/v1/dubbing/resource/{dubbing_id}/segment/{segment_id}/{language}

ElevenLabs API

Modify A Single 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
→ 224 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/segment/segment-id/example-language' \  -H "xi-api-key: $ELEVENLABS_API_KEY" \  -H 'Content-Type: application/json' \  -d '{  "start_time": 0,  "end_time": 0,  "text": "string"}'

Get a free ElevenLabs API key → sponsored

Parameters

Name	In	Type	Required	Description
dubbing_id	path	string	Yes	ID of the dubbing project.
segment_id	path	string	Yes	ID of the segment
language	path	string	Yes	ID of the language.
start_time	body	number	No	Request body field start_time.
end_time	body	number	No	Request body field end_time.
text	body	string	No	Request body field text.

Response 200 OK

{
  "version": 0
}