openapi: 3.2.0
info:
  title: SiliconFlow Cloud Platform Audio API
  description: SiliconFlow provides an AI inference cloud with OpenAI- and Anthropic-compatible REST APIs covering chat completions, messages, completions, embeddings, reranking, image generation, video generation, audio (speech, transcription, voice catalogue), models, and user account metadata. All endpoints authenticate with a Bearer API key in the Authorization header.
  version: v1
  contact:
    name: SiliconFlow
    url: https://docs.siliconflow.com/
servers:
- url: https://api.siliconflow.com/v1
  description: SiliconFlow inference API
security:
- BearerAuth: []
tags:
- name: Audio
paths:
  /audio/transcriptions:
    post:
      summary: Create Audio Transcription
      description: Creates an audio transcription from an input audio file.
      operationId: createTranscription
      tags:
      - Audio
      responses:
        '200':
          description: OK
  /audio/speech:
    post:
      summary: Create Audio Speech
      description: Generate audio from input text.
      operationId: createSpeech
      tags:
      - Audio
      responses:
        '200':
          description: OK
  /audio/voices:
    get:
      summary: List User Voices
      description: Get list of user-defined voice styles.
      operationId: listVoices
      tags:
      - Audio
      responses:
        '200':
          description: OK
    post:
      summary: Upload User Voice
      description: Upload a user-provided voice style.
      operationId: createVoice
      tags:
      - Audio
      responses:
        '200':
          description: OK
  /audio/voices/{id}:
    parameters:
    - name: id
      in: path
      required: true
      schema:
        type: string
    delete:
      summary: Delete User Voice
      description: Delete a user-defined voice style.
      operationId: deleteVoice
      tags:
      - Audio
      responses:
        '204':
          description: No Content
components:
  securitySchemes:
    BearerAuth:
      type: http
      scheme: bearer
      bearerFormat: API Key
      description: 'Bearer API key, format `Authorization: Bearer <your_api_key>`.'