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OpenAPI Specification

openapi: 3.0.3
info:
  title: Acast Publishing Ad Markers Episodes API
  description: 'The Acast Publishing API lets you programmatically query data about your shows and episodes, and create, update, and delete episodes straight from the command line or an existing CMS. It also supports placing ad markers on episodes for dynamic ad insertion. The API is documented openly at developers.acast.com but is access-gated: you authenticate with an X-API-Key header, and that key is issued by Acast''s customer success team to accounts on the Ace plan or in the Acast Creator Network. API keys are scoped to a user and grant access only to the shows assigned to that user.


    x-endpointsModeled: The resources, HTTP methods, base host, authentication header, and rate limit below are confirmed from Acast''s public documentation (developers.acast.com and the Acast Learning Center). The exact URL path templates and JSON schemas are MODELED as conventional REST paths because Acast''s full reference is served behind an interactive viewer that requires credentials. Verify precise paths and payloads against the live developer portal before relying on them in production.'
  version: '1.0'
  contact:
    name: Acast
    url: https://developers.acast.com/
servers:
- url: https://api.acast.com
  description: Acast Publishing API
security:
- apiKeyAuth: []
tags:
- name: Episodes
  description: Create, read, update, and delete episodes within a show.
paths:
  /shows/{showId}/episodes:
    parameters:
    - $ref: '#/components/parameters/ShowId'
    get:
      operationId: listEpisodes
      tags:
      - Episodes
      summary: List episodes for a show
      description: Returns a list of all existing episodes for a show, including each episode's ID. Path modeled; resource and method confirmed from documentation.
      responses:
        '200':
          description: A list of episodes.
          content:
            application/json:
              schema:
                type: object
                properties:
                  data:
                    type: array
                    items:
                      $ref: '#/components/schemas/Episode'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '429':
          $ref: '#/components/responses/RateLimited'
    post:
      operationId: createEpisode
      tags:
      - Episodes
      summary: Create an episode
      description: Creates a new episode for a show, accepting an audio file upload (MP3 recommended, up to 150 MB) plus episode metadata. Path modeled; resource and method confirmed from documentation.
      requestBody:
        required: true
        content:
          multipart/form-data:
            schema:
              $ref: '#/components/schemas/EpisodeCreate'
      responses:
        '201':
          description: The created episode.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Episode'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '413':
          description: Audio file exceeds the 150 MB maximum.
        '429':
          $ref: '#/components/responses/RateLimited'
  /shows/{showId}/episodes/{episodeId}:
    parameters:
    - $ref: '#/components/parameters/ShowId'
    - $ref: '#/components/parameters/EpisodeId'
    get:
      operationId: getEpisode
      tags:
      - Episodes
      summary: Get an episode
      description: Fetches details for a single episode. Path modeled; resource and method confirmed from documentation.
      responses:
        '200':
          description: The requested episode.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Episode'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
        '429':
          $ref: '#/components/responses/RateLimited'
    patch:
      operationId: updateEpisode
      tags:
      - Episodes
      summary: Update an episode
      description: Updates metadata for an existing episode. Path modeled; resource and method confirmed from documentation.
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/EpisodeUpdate'
      responses:
        '200':
          description: The updated episode.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Episode'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
        '429':
          $ref: '#/components/responses/RateLimited'
    delete:
      operationId: deleteEpisode
      tags:
      - Episodes
      summary: Delete an episode
      description: Deletes an episode. Path modeled; resource and method confirmed from documentation.
      responses:
        '204':
          description: The episode was deleted.
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
        '429':
          $ref: '#/components/responses/RateLimited'
components:
  schemas:
    EpisodeUpdate:
      type: object
      description: Mutable episode metadata fields.
      properties:
        title:
          type: string
        description:
          type: string
        publishDate:
          type: string
          format: date-time
    Episode:
      type: object
      description: An episode belonging to a show.
      properties:
        id:
          type: string
        showId:
          type: string
        title:
          type: string
        description:
          type: string
        audioUrl:
          type: string
          format: uri
        publishDate:
          type: string
          format: date-time
        durationSeconds:
          type: integer
    EpisodeCreate:
      type: object
      description: Fields for creating a new episode, including the audio upload.
      required:
      - title
      - audio
      properties:
        title:
          type: string
        description:
          type: string
        audio:
          type: string
          format: binary
          description: Audio file, MP3 recommended at 128 kbps, up to 150 MB.
        publishDate:
          type: string
          format: date-time
  responses:
    NotFound:
      description: The requested resource does not exist or is not assigned to this user.
    Unauthorized:
      description: Missing or invalid X-API-Key.
    RateLimited:
      description: Rate limit exceeded (60 requests/minute).
  parameters:
    ShowId:
      name: showId
      in: path
      required: true
      description: The unique identifier of the show.
      schema:
        type: string
    EpisodeId:
      name: episodeId
      in: path
      required: true
      description: The unique identifier of the episode.
      schema:
        type: string
  securitySchemes:
    apiKeyAuth:
      type: apiKey
      in: header
      name: X-API-Key
      description: User-scoped API key issued by Acast customer success to Ace plan and Creator Network accounts. Sent on every request in the X-API-Key header.
x-endpointsModeled: true