openapi: 3.1.0
info:
  title: Music AI Application Upload API
  version: v1
  description: Music AI (the developer platform behind Moises) exposes AI audio models — stem separation, transcription, mastering, lyrics, chords, and more — as composable Modules assembled into Workflows and executed as asynchronous Jobs. Upload an audio file to temporary storage, create a Job against a Workflow, then poll for the result. Every request is authenticated with an API key in the Authorization header.
  contact:
    name: Music AI Support
    email: support@music.ai
    url: https://music.ai/docs/
  termsOfService: https://music.ai/legal/terms-of-service/
servers:
- url: https://api.music.ai/v1
  description: Production
security:
- ApiKeyAuth: []
tags:
- name: Upload
  description: Temporary file staging for input audio.
paths:
  /upload:
    get:
      tags:
      - Upload
      operationId: getUploadUrl
      summary: Request signed upload and download URLs
      description: Returns a temporary `uploadUrl` (PUT your local file to it, hosted on Google Cloud Storage) and a `downloadUrl` you then pass as the job `inputUrl`.
      responses:
        '200':
          description: Signed URLs issued.
          content:
            application/json:
              schema:
                type: object
                properties:
                  uploadUrl:
                    type: string
                    format: uri
                  downloadUrl:
                    type: string
                    format: uri
        '401':
          $ref: '#/components/responses/Unauthorized'
components:
  schemas:
    Error:
      type: object
      description: Error envelope returned by the API and on failed jobs.
      properties:
        code:
          type: string
          description: Machine-readable error code (e.g. BAD_INPUT, TIMEOUT, INTERNAL_ERROR).
        title:
          type: string
        message:
          type: string
  responses:
    Unauthorized:
      description: Missing or invalid API key.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
  securitySchemes:
    ApiKeyAuth:
      type: apiKey
      in: header
      name: Authorization
      description: Your API key, generated in the dashboard at https://music.ai/dash, sent verbatim (no `Bearer` prefix) in the Authorization header.