---
updatedAt: 2026-04-21T01:30:12.000Z
agentTools:
  projectIndex: https://developers.jasper.ai/llms.txt
---

# Create a voice

Create a voice for use in personalizing AI outputs

# OpenAPI definition

```json
{
  "openapi": "3.1.0",
  "paths": {
    "/v1/tones": {
      "post": {
        "description": "Create a voice for use in personalizing AI outputs",
        "operationId": "createTone",
        "parameters": [],
        "requestBody": {
          "required": true,
          "content": {
            "application/json": {
              "schema": {
                "$ref": "#/components/schemas/CreateToneDto"
              }
            }
          }
        },
        "responses": {
          "201": {
            "description": "Created. The new voice was added successfully.",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/GetToneResponseDto"
                }
              }
            }
          },
          "400": {
            "description": "Bad request. May be missing required fields or may have badly formatted inputs or options."
          },
          "500": {
            "description": "Internal server error. Unable to create the voice."
          }
        },
        "security": [
          {
            "X-API-Key": []
          },
          {
            "oauth2": [
              "user"
            ]
          }
        ],
        "summary": "Create a voice",
        "tags": [
          "Voices"
        ]
      }
    }
  },
  "info": {
    "title": "Jasper API",
    "description": "Jasper API",
    "version": "1.0",
    "contact": {}
  },
  "tags": [
    {
      "name": "Voices",
      "description": ""
    }
  ],
  "servers": [
    {
      "url": "https://api.jasper.ai"
    }
  ],
  "components": {
    "securitySchemes": {
      "X-API-Key": {
        "type": "apiKey",
        "in": "header",
        "name": "X-API-Key",
        "description": "Workspace authentication using API key tokens in the X-API-Key header."
      },
      "oauth2": {
        "type": "oauth2",
        "flows": {
          "authorizationCode": {
            "authorizationUrl": "https://api.jasper.ai/oauth2/authorize",
            "tokenUrl": "https://api.jasper.ai/oauth2/token",
            "refreshUrl": "https://api.jasper.ai/oauth2/token",
            "scopes": {
              "user:read": "Read user information",
              "user": "Read and write user information"
            }
          }
        },
        "description": "User-level authentication using OAuth bearer tokens in the Authorization header."
      }
    },
    "schemas": {
      "ToneSettingsDto": {
        "type": "object",
        "properties": {
          "appVisibility": {
            "type": "string",
            "description": "Whether the brand is available in the Jasper app. Provides a way to omit voices created from the API, from being available in the Jasper app experience. One of \"visible\" or \"hidden\". Defaults to \"visible\".",
            "default": "visible",
            "example": "visible",
            "enum": [
              "visible",
              "hidden"
            ]
          }
        }
      },
      "CreateToneDto": {
        "type": "object",
        "properties": {
          "name": {
            "type": "string",
            "description": "The friendly name of the voice.",
            "example": "It's-a me, Mario!"
          },
          "value": {
            "type": "string",
            "description": "The voice's description",
            "example": "This voice is energetic, playful, and humorous, characterized by exclamations, wordplay, and a confident, charismatic character, with techniques including catchphrases, direct address, and hyperbole to engage and entertain the audience."
          },
          "metadata": {
            "type": "object",
            "description": "An optional set of key-value pairs to attach any data you wish to the voice, in a structured format. You can specify up to 10 keys, with key names up to 40 characters long and values up to 500 characters long."
          },
          "settings": {
            "description": "Additional configuration options.",
            "allOf": [
              {
                "$ref": "#/components/schemas/ToneSettingsDto"
              }
            ]
          }
        },
        "required": [
          "name",
          "value"
        ]
      },
      "ToneDto": {
        "type": "object",
        "properties": {
          "name": {
            "type": "string",
            "description": "The friendly name of the voice.",
            "example": "It's-a me, Mario!"
          },
          "value": {
            "type": "string",
            "description": "The voice's description",
            "example": "This voice is energetic, playful, and humorous, characterized by exclamations, wordplay, and a confident, charismatic character, with techniques including catchphrases, direct address, and hyperbole to engage and entertain the audience."
          },
          "metadata": {
            "type": "object",
            "description": "An optional set of key-value pairs to attach any data you wish to the voice, in a structured format. You can specify up to 10 keys, with key names up to 40 characters long and values up to 500 characters long."
          },
          "settings": {
            "description": "Additional configuration options.",
            "allOf": [
              {
                "$ref": "#/components/schemas/ToneSettingsDto"
              }
            ]
          },
          "id": {
            "type": "string",
            "example": "ton_2ee766eaa4ef48e59da1d9602bfecf2d"
          },
          "createdAt": {
            "type": "string",
            "example": "2023-09-21T15:38:00.474Z"
          },
          "updatedAt": {
            "type": "string",
            "example": "2023-09-21T15:38:00.474Z"
          },
          "appUrl": {
            "type": "string",
            "description": "The client URL to view the voice in the Jasper app. Empty when no link can be resolved.",
            "example": "https://app.jasper.ai/jasper-iq/brand-voice/ton_2ee766eaa4ef48e59da1d9602bfecf2d"
          }
        },
        "required": [
          "name",
          "value"
        ]
      },
      "GetToneResponseDto": {
        "type": "object",
        "properties": {
          "requestId": {
            "type": "string",
            "example": "bce766ea-a4ef-48e5-9da1-d9602bfecf2d"
          },
          "resource": {
            "type": "string",
            "example": "tone"
          },
          "data": {
            "$ref": "#/components/schemas/ToneDto"
          }
        }
      }
    }
  },
  "x-readme": {
    "metrics-enabled": false
  }
}
```