ElevenLabs Voice

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://elevenlabs.io/schemas/elevenlabs/voice.json",
  "title": "ElevenLabs Voice",
  "description": "Represents a voice in the ElevenLabs platform, including pre-built, cloned, and designed voices with their associated metadata, settings, and audio samples.",
  "type": "object",
  "required": ["voice_id", "name"],
  "properties": {
    "voice_id": {
      "type": "string",
      "description": "Unique identifier for the voice."
    },
    "name": {
      "type": "string",
      "description": "Display name of the voice.",
      "minLength": 1,
      "maxLength": 200
    },
    "category": {
      "type": "string",
      "description": "The category indicating how the voice was created.",
      "enum": ["premade", "cloned", "designed", "professional"]
    },
    "description": {
      "type": "string",
      "description": "Human-readable description of the voice characteristics and intended use."
    },
    "labels": {
      "type": "object",
      "description": "Key-value labels describing voice characteristics such as accent, age, gender, and use case.",
      "additionalProperties": {
        "type": "string"
      }
    },
    "preview_url": {
      "type": "string",
      "format": "uri",
      "description": "URL to a preview audio sample of the voice."
    },
    "settings": {
      "$ref": "#/$defs/VoiceSettings"
    },
    "samples": {
      "type": "array",
      "description": "Audio samples associated with the voice, used for cloning and preview.",
      "items": {
        "$ref": "#/$defs/VoiceSample"
      }
    },
    "sharing": {
      "type": "object",
      "description": "Sharing and publication status of the voice.",
      "properties": {
        "status": {
          "type": "string",
          "description": "Whether the voice is shared publicly.",
          "enum": ["enabled", "disabled"]
        },
        "public_owner_id": {
          "type": "string",
          "description": "Public identifier of the voice owner."
        },
        "cloned_by_count": {
          "type": "integer",
          "description": "Number of users who have cloned or added this voice.",
          "minimum": 0
        }
      }
    },
    "high_quality_base_model_ids": {
      "type": "array",
      "description": "List of model identifiers that produce the best results with this voice.",
      "items": {
        "type": "string"
      }
    }
  },
  "$defs": {
    "VoiceSettings": {
      "type": "object",
      "description": "Configuration parameters that control the voice's speech synthesis characteristics.",
      "properties": {
        "stability": {
          "type": "number",
          "description": "Controls the consistency of the voice output. Higher values produce more stable, predictable speech. Lower values introduce more variation.",
          "minimum": 0,
          "maximum": 1
        },
        "similarity_boost": {
          "type": "number",
          "description": "Controls how closely the generated speech matches the original voice. Higher values increase fidelity to the target voice.",
          "minimum": 0,
          "maximum": 1
        },
        "style": {
          "type": "number",
          "description": "Controls the expressiveness and stylistic variation of the speech delivery.",
          "minimum": 0,
          "maximum": 1,
          "default": 0
        },
        "use_speaker_boost": {
          "type": "boolean",
          "description": "Enables speaker boost processing to increase voice clarity and reduce artifacts.",
          "default": true
        }
      }
    },
    "VoiceSample": {
      "type": "object",
      "description": "An audio sample associated with a voice, used for cloning and demonstration.",
      "properties": {
        "sample_id": {
          "type": "string",
          "description": "Unique identifier for the audio sample."
        },
        "file_name": {
          "type": "string",
          "description": "Original file name of the uploaded sample."
        },
        "mime_type": {
          "type": "string",
          "description": "MIME type of the audio sample.",
          "pattern": "^audio/"
        },
        "size_bytes": {
          "type": "integer",
          "description": "Size of the audio sample file in bytes.",
          "minimum": 0
        },
        "hash": {
          "type": "string",
          "description": "Hash of the audio sample content for integrity verification."
        }
      }
    }
  }
}