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OpenAPI Specification

openapi: 3.2.0
info:
  title: AudioDN Variants API
  version: 1.0.0
  summary: 'Audio delivery infrastructure: upload, transcode, secure delivery, and playback.'
  description: 'AudioDN provides a REST API and embeddable web components for managing and delivering audio at scale.


    Authentication: bearer token via the `Authorization` header. Use a server-side API key for full access; mint scoped client-side keys (Player or Uploader) for browsers and mobile apps.


    All endpoints are prefixed with `/v1/`.'
  contact:
    name: Audio Delivery Network
    email: support@audiodeliverynetwork.com
    url: https://audiodeliverynetwork.com
  license:
    name: Proprietary
servers:
- url: https://api.audiodelivery.net
  description: Production
security:
- BearerAuth: []
tags:
- name: Variants
paths:
  /v1/track/{track_id}/variant:
    post:
      tags:
      - Variants
      operationId: addTrackVariant
      summary: Add a track-specific variant
      description: 'Appends a new track file to an already-processed track and queues processing. Only ''transcode'' and ''preview'' are supported. Common body fields: variant_type_id, index. Transcode fields: codec, bitrate, is_stereo, is_strip_tags, is_strip_cover (lossy codecs only; codec defaults to aac at 128 kbps). Preview fields: preview_type, preview_seconds / preview_min_percent / preview_max_percent (when preview_type is seconds), preview_percent / preview_min_seconds / preview_max_seconds (when preview_type is percent), preview_start_percent — plus the same Transcode audio fields. The track is moved to ''processing'' and returns to ''ready'' when the file is generated.'
      parameters:
      - name: track_id
        in: path
        required: true
        schema:
          type: string
          format: uuid
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              required:
              - variant_type_id
              - index
              properties:
                variant_type_id:
                  type: string
                  enum:
                  - transcode
                  - preview
                index:
                  type: string
                  minLength: 2
                  maxLength: 64
                  description: Delivery name; unique across organization and track variants
                codec:
                  type: string
                  enum:
                  - aac
                  - mp3
                  - ogg
                  - opus
                  default: aac
                bitrate:
                  type: integer
                  minimum: 12
                  maximum: 320
                  default: 128
                is_stereo:
                  type: boolean
                  default: true
                is_strip_tags:
                  type: boolean
                  default: true
                is_strip_cover:
                  type: boolean
                  default: true
                preview_type:
                  type: string
                  enum:
                  - seconds
                  - percent
                  default: seconds
                  description: preview only
                preview_seconds:
                  type: number
                  default: 60
                  description: preview + preview_type 'seconds'
                preview_min_percent:
                  type: number
                  default: 0
                  description: preview + preview_type 'seconds'
                preview_max_percent:
                  type: number
                  default: 50
                  description: preview + preview_type 'seconds'
                preview_percent:
                  type: number
                  default: 25
                  description: preview + preview_type 'percent'
                preview_min_seconds:
                  type: number
                  default: 0
                  description: preview + preview_type 'percent'
                preview_max_seconds:
                  type: number
                  default: 90
                  description: preview + preview_type 'percent'
                preview_start_percent:
                  type: number
                  minimum: 0
                  maximum: 100
                  default: 25
                  description: 'preview only: clip start as a percent of duration'
      responses:
        '200':
          description: Variant created and processing queued.
          content:
            application/json:
              schema:
                allOf:
                - $ref: '#/components/schemas/OkEnvelope'
                - type: object
                  properties:
                    track_id:
                      type: string
                      format: uuid
                    variant_id:
                      type: string
                      format: uuid
                    job_id:
                      type: string
                      format: uuid
                    variant:
                      $ref: '#/components/schemas/Variant'
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
        '409':
          description: A variant with the given index already exists for this track.
        '422':
          description: The track has no source file to process yet.
  /v1/variant:
    get:
      tags:
      - Variants
      operationId: listVariants
      summary: List variants
      parameters:
      - $ref: '#/components/parameters/Limit'
      - $ref: '#/components/parameters/Offset'
      responses:
        '200':
          description: Variants list.
          content:
            application/json:
              schema:
                allOf:
                - $ref: '#/components/schemas/OkEnvelope'
                - type: object
                  properties:
                    count:
                      type: integer
                    variants:
                      type: array
                      items:
                        $ref: '#/components/schemas/Variant'
        '401':
          $ref: '#/components/responses/Unauthorized'
  /v1/variant/{variant_id}:
    get:
      tags:
      - Variants
      operationId: getVariant
      summary: Get variant
      parameters:
      - name: variant_id
        in: path
        required: true
        schema:
          type: string
          format: uuid
      responses:
        '200':
          description: Variant details.
          content:
            application/json:
              schema:
                allOf:
                - $ref: '#/components/schemas/OkEnvelope'
                - type: object
                  properties:
                    variant_id:
                      type: string
                      format: uuid
                    variant:
                      $ref: '#/components/schemas/Variant'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
components:
  parameters:
    Limit:
      name: limit
      in: query
      schema:
        type: integer
        minimum: 1
        maximum: 200
        default: 50
    Offset:
      name: offset
      in: query
      schema:
        type: integer
        minimum: 0
        default: 0
  responses:
    NotFound:
      description: Resource not found.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    BadRequest:
      description: Invalid parameters.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    Unauthorized:
      description: Missing or invalid API key.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
  schemas:
    Error:
      type: object
      required:
      - ok
      - message
      properties:
        ok:
          type: boolean
          const: false
        message:
          type: string
        api_request_id:
          type: string
          format: uuid
    Variant:
      type: object
      properties:
        id:
          type: string
          format: uuid
        name:
          type: string
        type:
          type: string
          description: Variant kind (e.g. transcode, preview, waveform, analysis, transcribe).
        format:
          type: string
        bitrate:
          type: integer
    OkEnvelope:
      type: object
      required:
      - ok
      - api_request_id
      properties:
        ok:
          type: boolean
          const: true
        api_request_id:
          type: string
          format: uuid
  securitySchemes:
    BearerAuth:
      type: http
      scheme: bearer
      description: Server-side API key. Use scoped client-side keys for browser and mobile contexts.