> ## Documentation Index
> Fetch the complete documentation index at: https://kawax.biz/llms.txt
> Use this file to discover all available pages before exploring further.

# Installed Libraries

> Return installed voice library information.

**Laravel Implementation Status**: ❌ Engine-specific feature (no fallback)



## OpenAPI

````yaml https://raw.githubusercontent.com/invokable/laravel-voicevox/refs/heads/main/docs/en/laravel-openapi.json get /installed_libraries
openapi: 3.1.0
info:
  title: VOICEVOX ENGINE OSS
  description: VOICEVOX OSS  text-to-speech synthesis engine.
  version: latest
servers: []
security: []
paths:
  /installed_libraries:
    get:
      tags:
        - Voice Library Management
      summary: Installed Libraries
      description: >-
        Return installed voice library information.


        **Laravel Implementation Status**: ❌ Engine-specific feature (no
        fallback)
      operationId: installed_libraries
      responses:
        '200':
          description: Installed voice library information
          content:
            application/json:
              schema:
                additionalProperties:
                  $ref: '#/components/schemas/InstalledLibraryInfo'
                type: object
                title: Response Installed Libraries Installed Libraries Get
components:
  schemas:
    InstalledLibraryInfo:
      properties:
        name:
          type: string
          title: Name
          description: Name of the voice library
        uuid:
          type: string
          title: Uuid
          description: UUID of the voice library
        version:
          type: string
          title: Version
          description: Version of the voice library
        download_url:
          type: string
          title: Download Url
          description: Download URL of the voice library
        bytes:
          type: integer
          title: Bytes
          description: Size of the voice library in bytes
        speakers:
          items:
            $ref: '#/components/schemas/LibrarySpeaker'
          type: array
          title: Speakers
          description: List of characters included in the voice library
        uninstallable:
          type: boolean
          title: Uninstallable
          description: Whether the library can be uninstalled
      type: object
      required:
        - name
        - uuid
        - version
        - download_url
        - bytes
        - speakers
        - uninstallable
      title: InstalledLibraryInfo
      description: Information about an installed voice library.
    LibrarySpeaker:
      properties:
        speaker:
          $ref: '#/components/schemas/Speaker'
        speaker_info:
          $ref: '#/components/schemas/SpeakerInfo'
      type: object
      required:
        - speaker
        - speaker_info
      title: LibrarySpeaker
      description: Information about a character included in a voice library.
    Speaker:
      properties:
        name:
          type: string
          title: Name
          description: Name
        speaker_uuid:
          type: string
          title: Speaker Uuid
          description: Character UUID
        styles:
          items:
            $ref: '#/components/schemas/SpeakerStyle'
          type: array
          title: Styles
          description: List of styles
        version:
          type: string
          title: Version
          description: Character version
        supported_features:
          $ref: '#/components/schemas/SpeakerSupportedFeatures'
          description: Supported features of the character
      type: object
      required:
        - name
        - speaker_uuid
        - styles
        - version
      title: Speaker
      description: Character information
    SpeakerInfo:
      properties:
        policy:
          type: string
          title: Policy
          description: policy.md
        portrait:
          type: string
          title: Portrait
          description: Base64-encoded full-body portrait image, or URL
        style_infos:
          items:
            $ref: '#/components/schemas/StyleInfo'
          type: array
          title: Style Infos
          description: Additional style information
      type: object
      required:
        - policy
        - portrait
        - style_infos
      title: SpeakerInfo
      description: Additional information about a character
    SpeakerStyle:
      properties:
        name:
          type: string
          title: Name
          description: Style name
        id:
          type: integer
          title: Id
          description: Style ID
        type:
          type: string
          enum:
            - talk
            - singing_teacher
            - frame_decode
            - sing
          title: Type
          description: >-
            Style type. talk: Supports creation of speech synthesis queries and
            speech synthesis. singing_teacher: Supports creation of singing
            voice synthesis queries.
          default: talk
      type: object
      required:
        - name
        - id
      title: SpeakerStyle
      description: Style information of a character
    SpeakerSupportedFeatures:
      properties:
        permitted_synthesis_morphing:
          type: string
          enum:
            - ALL
            - SELF_ONLY
            - NOTHING
          title: Permitted Synthesis Morphing
          description: >-
            Morphing feature support. 'ALL' means all morphing is allowed,
            'SELF_ONLY' means only morphing within the same character is
            allowed, 'NOTHING' means all morphing is prohibited.
          default: ALL
      type: object
      title: SpeakerSupportedFeatures
      description: Information about supported features of a character
    StyleInfo:
      properties:
        id:
          type: integer
          title: Id
          description: Style ID
        icon:
          type: string
          title: Icon
          description: Base64-encoded icon for this style, or URL
        portrait:
          type: string
          title: Portrait
          description: Base64-encoded full-body portrait image for this style, or URL
        voice_samples:
          items:
            type: string
          type: array
          title: Voice Samples
          description: Base64-encoded voice samples, or URLs
      type: object
      required:
        - id
        - icon
        - voice_samples
      title: StyleInfo
      description: Additional style information

````