# POST /v1/audio-native/content (ElevenLabs API)
Base URL: https://api.elevenlabs.io
Auth: xi-api-key: <ELEVENLABS_API_KEY>
Last verified: 2026-09-03

> Update Audio-Native Content From Url

## 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/audio-native/content' \
  -H "xi-api-key: $ELEVENLABS_API_KEY" \
  -H 'Content-Type: application/json' \
  -d '{"url":"string","author":"string","title":"string"}'

## Parameters
| Name | In | Type | Required | Description |
| :--- | :--- | :--- | :--- | :--- |
| url | body | string | Yes | URL of the page to extract content from. |
| author | body | string | No | Author used in the player and inserted at the start of th... |
| title | body | string | No | Title used in the player and inserted at the top of the u... |

## Response (200 OK)
{"converting":false,"html_snippet":"<div id='audio-native-player'></div>"}

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