Update Studio Project Content | ElevenLabs Documentation

curl -X POST https://api.elevenlabs.io/v1/studio/projects/project_id/content \
     -H "Content-Type: multipart/form-data" \
     -F from_document=@<file1>

{
  "project": {
    "project_id": "aw1NgEzBg83R7vgmiJt6",
    "name": "My Project",
    "create_date_unix": 1714204800,
    "created_by_user_id": "Vbtgl3bRdj6lk79rYAgx",
    "default_title_voice_id": "JBFqnCBsd6RMkjVDRZzb",
    "default_paragraph_voice_id": "JBFqnCBsd6RMkjVDRZzb",
    "default_model_id": "eleven_multilingual_v2",
    "can_be_downloaded": true,
    "volume_normalization": true,
    "state": "default",
    "access_level": "viewer",
    "quality_check_on": false,
    "quality_check_on_when_bulk_convert": false,
    "last_conversion_date_unix": 1714204800,
    "title": "My Project",
    "author": "John Doe",
    "description": "This is a description of my project.",
    "genres": [
      "Novel",
      "Short Story"
    ],
    "cover_image_url": "https://example.com/cover.jpg",
    "target_audience": "young adult",
    "language": "en",
    "content_type": "Novel",
    "original_publication_date": "2025-01-01",
    "mature_content": false,
    "isbn_number": "978-90-274-3964-2",
    "fiction": "fiction",
    "creation_meta": {
      "creation_progress": 0.5,
      "status": "pending",
      "type": "blank"
    },
    "public_share_id": "abc123def456789"
  }
}

Updates Studio project content.

Path parameters

project_idstringRequired

The ID of the project to be used. You can use the List projects endpoint to list all the available projects.

Headers

xi-api-keystringOptional

Request

This endpoint expects a multipart form containing an optional file.

from_urlstring or nullOptional

An optional URL from which we will extract content to initialize the Studio project. If this is set, ‘from_url’ and ‘from_content’ must be null. If neither ‘from_url’, ‘from_document’, ‘from_content’ are provided we will initialize the Studio project as blank.

from_documentfileOptional

An optional .epub, .pdf, .txt or similar file can be provided. If provided, we will initialize the Studio project with its content. If this is set, ‘from_url’ and ‘from_content’ must be null. If neither ‘from_url’, ‘from_document’, ‘from_content’ are provided we will initialize the Studio project as blank.

from_content_jsonstringOptional

An optional content to initialize the Studio project with. If this is set, ‘from_url’ and ‘from_document’ must be null. If neither ‘from_url’, ‘from_document’, ‘from_content’ are provided we will initialize the Studio project as blank.

Example: [{“name”: “Chapter A”, “blocks”: [{“sub_type”: “p”, “nodes”: [{“voice_id”: “6lCwbsX1yVjD49QmpkT0”, “text”: “A”, “type”: “tts_node”}, {“voice_id”: “6lCwbsX1yVjD49QmpkT1”, “text”: “B”, “type”: “tts_node”}]}, {“sub_type”: “h1”, “nodes”: [{“voice_id”: “6lCwbsX1yVjD49QmpkT0”, “text”: “C”, “type”: “tts_node”}, {“voice_id”: “6lCwbsX1yVjD49QmpkT1”, “text”: “D”, “type”: “tts_node”}]}]}, {“name”: “Chapter B”, “blocks”: [{“sub_type”: “p”, “nodes”: [{“voice_id”: “6lCwbsX1yVjD49QmpkT0”, “text”: “E”, “type”: “tts_node”}, {“voice_id”: “6lCwbsX1yVjD49QmpkT1”, “text”: “F”, “type”: “tts_node”}]}, {“sub_type”: “h2”, “nodes”: [{“voice_id”: “6lCwbsX1yVjD49QmpkT0”, “text”: “G”, “type”: “tts_node”}, {“voice_id”: “6lCwbsX1yVjD49QmpkT1”, “text”: “H”, “type”: “tts_node”}]}]}]

An optional content to initialize the Studio project with. If this is set, 'from_url' and 'from_document' must be null. If neither 'from_url', 'from_document', 'from_content' are provided we will initialize the Studio project as blank. Example: [{"name": "Chapter A", "blocks": [{"sub_type": "p", "nodes": [{"voice_id": "6lCwbsX1yVjD49QmpkT0", "text": "A", "type": "tts_node"}, {"voice_id": "6lCwbsX1yVjD49QmpkT1", "text": "B", "type": "tts_node"}]}, {"sub_type": "h1", "nodes": [{"voice_id": "6lCwbsX1yVjD49QmpkT0", "text": "C", "type": "tts_node"}, {"voice_id": "6lCwbsX1yVjD49QmpkT1", "text": "D", "type": "tts_node"}]}]}, {"name": "Chapter B", "blocks": [{"sub_type": "p", "nodes": [{"voice_id": "6lCwbsX1yVjD49QmpkT0", "text": "E", "type": "tts_node"}, {"voice_id": "6lCwbsX1yVjD49QmpkT1", "text": "F", "type": "tts_node"}]}, {"sub_type": "h2", "nodes": [{"voice_id": "6lCwbsX1yVjD49QmpkT0", "text": "G", "type": "tts_node"}, {"voice_id": "6lCwbsX1yVjD49QmpkT1", "text": "H", "type": "tts_node"}]}]}]

auto_convertbooleanOptionalDefaults to false

Whether to auto convert the Studio project to audio or not.

Response

Successful Response

projectobject

Errors

422

Unprocessable Entity Error