Ludo.ai

Ludo.ai Audio API

Generate sound effects, background music, character voices, and text-to-speech audio for games.

GitHub OpenAPI

Operations 5

POST /audio/sound-effects Ludo.ai Generate a game sound effect #
POST /audio/music Ludo.ai Generate background music #
POST /audio/voice Ludo.ai Generate a unique character voice #
POST /audio/speech Ludo.ai Clone a voice from an audio sample #
POST /audio/speech-preset Ludo.ai Generate speech using a preset voice #

Documentation

📖
Documentation
https://ludo.ai/api-mcp-integration

Specifications

⚙
OpenAPI
https://raw.githubusercontent.com/api-evangelist/ludo-ai/refs/heads/main/openapi/ludo-ai-audio-api-openapi.yml

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OpenAPI Specification

ludo-ai-audio-api-openapi.yml Raw ↑ 
openapi: 3.2.0
info:
  title: Ludo.ai REST 3D Models Audio API
  description: The Ludo.ai REST API provides programmatic access to AI-powered game asset generation capabilities. Developers can generate sprites, icons, UI assets, textures, and backgrounds through image generation endpoints, edit existing images with text instructions, convert 2D images to 3D GLB models with PBR textures, create animated spritesheets from static images, produce sound effects, music tracks, character voices, and generate short videos. All API requests require an API key passed via the Authentication header, and requests consume credits that vary by endpoint type. The API is currently in beta.
  version: 1.0.0
  contact:
    name: Ludo.ai Support
    url: https://ludo.ai
  termsOfService: https://ludo.ai/terms
servers:
- url: https://api.ludo.ai/api
  description: Production Server
security:
- apiKeyAuth: []
tags:
- name: Audio
  description: Generate sound effects, background music, character voices, and text-to-speech audio for games.
paths:
  /audio/sound-effects:
    post:
      operationId: createSoundEffect
      summary: Ludo.ai Generate a game sound effect
      description: Generate game sound effects from text descriptions. Supports configurable duration from 0 to 10 seconds where 0 uses automatic duration. Costs 3 credits per sound effect.
      tags:
      - Audio
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/CreateSoundEffectRequest'
      responses:
        '200':
          description: Successfully created sound effect
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/AudioResponse'
        '400':
          description: Invalid request parameters
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '401':
          description: Missing or invalid API key
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
  /audio/music:
    post:
      operationId: createMusic
      summary: Ludo.ai Generate background music
      description: Generate background music and themes from text descriptions. Supports optional lyrics for vocal tracks. Costs 3 credits per track.
      tags:
      - Audio
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/CreateMusicRequest'
      responses:
        '200':
          description: Successfully created music track
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/AudioResponse'
        '400':
          description: Invalid request parameters
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '401':
          description: Missing or invalid API key
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
  /audio/voice:
    post:
      operationId: createVoice
      summary: Ludo.ai Generate a unique character voice
      description: Generate unique character voices by describing the character and providing text to speak. Supports human and non-human voice types. Maximum 200 characters of text. Costs 3 credits per voice.
      tags:
      - Audio
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/CreateVoiceRequest'
      responses:
        '200':
          description: Successfully created voice
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/AudioResponse'
        '400':
          description: Invalid request parameters
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '401':
          description: Missing or invalid API key
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
  /audio/speech:
    post:
      operationId: createSpeech
      summary: Ludo.ai Clone a voice from an audio sample
      description: Generate text-to-speech audio by cloning a voice from a provided audio sample. Maximum 1000 characters of text. Costs 3 credits per generation.
      tags:
      - Audio
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/CreateSpeechRequest'
      responses:
        '200':
          description: Successfully created speech
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/AudioResponse'
        '400':
          description: Invalid request parameters
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '401':
          description: Missing or invalid API key
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
  /audio/speech-preset:
    post:
      operationId: createSpeechPreset
      summary: Ludo.ai Generate speech using a preset voice
      description: Generate text-to-speech audio using preset voice characters with optional emotion and language settings. Maximum 1000 characters of text. Costs 3 credits per generation.
      tags:
      - Audio
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/CreateSpeechPresetRequest'
      responses:
        '200':
          description: Successfully created speech
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/AudioResponse'
        '400':
          description: Invalid request parameters
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '401':
          description: Missing or invalid API key
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
components:
  schemas:
    CreateMusicRequest:
      type: object
      required:
      - description
      properties:
        description:
          type: string
          description: Text description of the music to generate such as epic orchestral battle theme, calm piano melody, or 8-bit chiptune.
        lyrics:
          type: string
          description: Optional lyrics for vocal tracks.
        request_id:
          type: string
          description: Client-provided ID to retrieve results later via the results endpoint.
    CreateSpeechRequest:
      type: object
      required:
      - text
      - sample
      properties:
        text:
          type: string
          description: Text to speak using the cloned voice.
          maxLength: 1000
        sample:
          type: string
          description: URL or base64-encoded audio sample for voice cloning.
        request_id:
          type: string
          description: Client-provided ID to retrieve results later via the results endpoint.
    CreateSpeechPresetRequest:
      type: object
      required:
      - text
      - voice_preset_id
      properties:
        text:
          type: string
          description: Text to speak using the preset voice.
          maxLength: 1000
        voice_preset_id:
          type: string
          description: ID of the preset voice character to use.
          enum:
          - Serious woman
          - Wise woman
          - Calm woman
          - Patient man
          - Determined man
          - Deep voice man
          - Teen boy
          - Sweet girl
        emotion:
          type: string
          description: Emotion to apply to the speech delivery.
          enum:
          - Default
          - Happy
          - Sad
          - Angry
          - Fearful
          - Surprised
          - Neutral
        language:
          type: string
          description: Language for the speech output.
          enum:
          - auto
          - English
          - Spanish
          - French
          - German
          - Japanese
          - Korean
        request_id:
          type: string
          description: Client-provided ID to retrieve results later via the results endpoint.
    Error:
      type: object
      properties:
        error:
          type: string
          description: Error message describing what went wrong.
        code:
          type: string
          description: Machine-readable error code.
    CreateVoiceRequest:
      type: object
      required:
      - voice_description
      - text
      properties:
        voice_description:
          type: string
          description: Character description for the voice such as gruff old warrior or cheerful young girl.
        text:
          type: string
          description: Text for the character to speak.
          maxLength: 200
        type:
          type: string
          description: Type of voice to generate.
          enum:
          - human
          - non-human
          default: human
        request_id:
          type: string
          description: Client-provided ID to retrieve results later via the results endpoint.
    AudioResponse:
      type: object
      properties:
        url:
          type: string
          format: uri
          description: URL of the generated audio file. Expires after 7 days.
        request_id:
          type: string
          description: The request ID if one was provided.
    CreateSoundEffectRequest:
      type: object
      required:
      - description
      properties:
        description:
          type: string
          description: Text description of the sound effect to generate such as laser gun firing, footsteps on gravel, or coin pickup.
        duration:
          type: number
          description: Duration in seconds from 0 to 10. Use 0 for automatic duration.
          minimum: 0
          maximum: 10
        request_id:
          type: string
          description: Client-provided ID to retrieve results later via the results endpoint.
  securitySchemes:
    apiKeyAuth:
      type: apiKey
      in: header
      name: Authentication
      description: 'API key authentication. Pass your API key in the Authentication header with the format: ApiKey YOUR_API_KEY'
externalDocs:
  description: Ludo.ai API Documentation
  url: https://api.ludo.ai/api-documentation