Gracenote Podcasts API

openapi: 3.2.0
info:
  title: Nexus API v1.1.5 Podcasts API
  description: This is the OpenAPI spec for Gracenote's Nexus API.
  contact:
    email: nexusengineering@nielsen.com
  version: v1.1.5
servers:
- url: /proxy/nexus/v1
tags:
- name: Podcasts
  description: API endpoints related to podcast metadata.
paths:
  /podcasts/{podcastID}:
    get:
      tags:
      - Podcasts
      description: Fetch the details of a specific podcast series identified by the podcastID.
      parameters:
      - $ref: '#/components/parameters/apiKeyParam'
      - name: podcastID
        in: path
        required: true
        description: The unique identifier of the podcast.
        schema:
          type: string
      - $ref: '#/components/parameters/languageParam'
      - $ref: '#/components/parameters/contentMarketParam'
      - $ref: '#/components/parameters/encodingParam'
      responses:
        '200':
          description: Successful operation
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/PodcastsResponse'
        '400':
          $ref: '#/components/responses/errorResponse400'
        '401':
          $ref: '#/components/responses/errorResponse401'
        '403':
          $ref: '#/components/responses/errorResponse403'
        '404':
          $ref: '#/components/responses/errorResponse404'
        '429':
          $ref: '#/components/responses/errorResponse429'
        4XX:
          $ref: '#/components/responses/errorResponse4XX'
        5XX:
          $ref: '#/components/responses/errorResponse5XX'
      summary: Get podcasts by podcast id
      x-summary-source: derived
      operationId: getPodcastsByPodcastID
      x-operation-id-source: derived
  /podcasts/{podcastID}/episodes/{podcastEpisodeID}:
    get:
      tags:
      - Podcasts
      description: Fetch the details of a specific podcast episode identified by the podcastEpisodeID.
      parameters:
      - $ref: '#/components/parameters/apiKeyParam'
      - name: podcastID
        in: path
        required: true
        description: The unique identifier of the podcast series.
        schema:
          type: string
      - name: podcastEpisodeID
        in: path
        required: true
        description: The unique identifier of the podcast episode.
        schema:
          type: string
      - $ref: '#/components/parameters/languageParam'
      - $ref: '#/components/parameters/contentMarketParam'
      - $ref: '#/components/parameters/encodingParam'
      responses:
        '200':
          description: Successful operation
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/PodcastEpisodesResponse'
        '400':
          $ref: '#/components/responses/errorResponse400'
        '401':
          $ref: '#/components/responses/errorResponse401'
        '403':
          $ref: '#/components/responses/errorResponse403'
        '404':
          $ref: '#/components/responses/errorResponse404'
        '429':
          $ref: '#/components/responses/errorResponse429'
        4XX:
          $ref: '#/components/responses/errorResponse4XX'
        5XX:
          $ref: '#/components/responses/errorResponse5XX'
      summary: Get podcasts by podcast id episodes by podcast episode id
      x-summary-source: derived
      operationId: getPodcastsByPodcastIDEpisodesByPodcastEpisodeID
      x-operation-id-source: derived
components:
  schemas:
    CollectionCategory:
      type: string
      description: note that GENERAL has been deprecated. Please use CATEGORY for radio station collections organized by Radio Station Category like 'Adult Pop' or 'Local & Community' and TOPIC for podcast collections organized by topics like 'Health & Living' and 'News & Politics'. GENRE is used for VIDEOPROGRAMS (program bundle) collections.
      enum:
      - NEWS
      - CATEGORY
      - TOPIC
      - GENRE
      - TEAM
      - LEAGUE
      - CONFERENCE
      - SPORT
      - CITY
      - STATE
      - COUNTRY
      - GENERAL
    URLObject:
      type: object
      additionalProperties: false
      required:
      - URL
      - type
      - content
      - contentType
      properties:
        URL:
          type: string
        type:
          type: string
          enum:
          - web
          - mobile
          - desktop
        content:
          type:
          - string
          - 'null'
          enum:
          - MEDIA
          - FEED
          - WEBSITE
          - STREAM
        contentType:
          type:
          - string
          - 'null'
          examples:
          - audio/mpeg
    CollectionTag:
      type: object
      additionalProperties: false
      description: Tag object for collection metadata. Populated for VIDEOPROGRAMS collections (genreType, programType); unused for other itemTypes.
      required:
      - genreType
      - programType
      properties:
        genreType:
          type: string
          description: Video collection genre (e.g. COMEDY, SCIENCE-FICTION). Empty string when not applicable.
        programType:
          type: string
          description: Whether the collection contains movies or series. Empty string when not applicable.
          enum:
          - MOVIES
          - SERIES
    PodcastEpisodeLink:
      type: object
      additionalProperties: false
      required:
      - URL
      - contentType
      - sizeBytes
      properties:
        URL:
          type: string
        contentType:
          type:
          - string
          - 'null'
          examples:
          - audio/mpeg
        sizeBytes:
          type:
          - integer
          - 'null'
    Image:
      type: object
      additionalProperties: false
      required:
      - orientation
      - type
      - URL
      - contentType
      properties:
        orientation:
          type: string
          description: Orientation of the image.
          enum:
          - LANDSCAPE
          - PORTRAIT
          - SQUARE
        type:
          type: string
          enum:
          - ARTWORK
          - LOGO
          - HEADSHOT
          - FLAG
          - ARTIST
          - JERSEY
          - POSTER
          - BANNER
          - IMAGE_3_4
          - IMAGE_4_3
          - IMAGE_16_9
          - BRAND_LOGO
        URL:
          type: string
          description: Note that some image hosting platforms require a user-agent header to be specified when fetching images.
        contentType:
          type:
          - string
          - 'null'
    PodcastsResponse:
      type: object
      additionalProperties: false
      required:
      - meta
      - data
      properties:
        meta:
          $ref: '#/components/schemas/Meta'
        data:
          type: array
          items:
            $ref: '#/components/schemas/Podcast'
    PodcastEpisodesResponse:
      type: object
      additionalProperties: false
      required:
      - meta
      - data
      properties:
        meta:
          $ref: '#/components/schemas/Meta'
        data:
          type: array
          items:
            $ref: '#/components/schemas/PodcastEpisode'
    ErrorResponse:
      type: object
      additionalProperties: false
      required:
      - status
      - error
      - description
      properties:
        status:
          type: integer
          description: HTTP status code
        error:
          type: string
          enum:
          - internal_server_error
          - invalid_query_method
          - missing_query_parameter
          - invalid_query_parameter_value
          - resource_not_found
          - invalid_request
          - resource_type_error
          - forbidden
          - unauthorized_missing_api_key
          - unauthorized_invalid_api_key
          - quota_limit_exceeded
          - content_too_large
          - unexpected_eof_at_target
          - service_unavailable
        description:
          type: string
    Meta:
      type: object
      additionalProperties: false
      required:
      - total
      - version
      - references
      properties:
        total:
          type: integer
          description: Total number of data objects available.
        version:
          type: string
          description: The API version
        references:
          type: object
          additionalProperties: false
          properties:
            preferredLanguage:
              type: string
            contentMarket:
              type: string
            leagueID:
              type: string
            teamID:
              type: string
            personID:
              type: string
            divisionID:
              type: string
            conferenceID:
              type: string
            overallID:
              type: string
            matchID:
              type: string
            omitCatalogIDs:
              type: string
            minDuration:
              type: string
            maxDuration:
              type: string
            bundleID:
              type: string
            programID:
              type: string
            catalogID:
              type: string
            phaseID:
              type: string
            artistID:
              type: string
            albumEditionID:
              type: string
            recordingID:
              type: string
            artistName:
              type: string
            albumEditionName:
              type: string
            recordingName:
              type: string
            podcastID:
              type: string
            podcastEpisodeID:
              type: string
            radioStationID:
              type: string
            collectionID:
              type: string
            collectionCategory:
              type: string
            itemTypes:
              type: string
            text:
              type: string
            topOnly:
              type: string
    ColorPalette:
      type:
      - object
      - 'null'
      additionalProperties: false
      required:
      - muted
      - vibrant
      - darkMuted
      - lightMuted
      - darkVibrant
      - lightVibrant
      properties:
        muted:
          type:
          - string
          - 'null'
        vibrant:
          type:
          - string
          - 'null'
        darkMuted:
          type:
          - string
          - 'null'
        lightMuted:
          type:
          - string
          - 'null'
        darkVibrant:
          type:
          - string
          - 'null'
        lightVibrant:
          type:
          - string
          - 'null'
    CollectionShort:
      type: object
      additionalProperties: false
      required:
      - collectionID
      - name
      - collectionCategory
      - itemType
      - lastUpdatedUTC
      - contentMarket
      - tags
      properties:
        collectionID:
          type: string
        name:
          type: string
        collectionCategory:
          $ref: '#/components/schemas/CollectionCategory'
        itemType:
          $ref: '#/components/schemas/CollectionItemType'
        lastUpdatedUTC:
          type: string
          format: date-time
          examples:
          - '2026-01-02T15:42:22.000Z'
        contentMarket:
          type: string
          description: ISO 3166-1 alpha-3 content market for the collection (e.g. USA, DEU).
        tags:
          type: array
          description: Required. May be empty for PODCASTS and RADIOSTATIONS collections. For VIDEOPROGRAMS, contains a tag object with genreType and programType.
          items:
            $ref: '#/components/schemas/CollectionTag'
    Podcast:
      type: object
      additionalProperties: false
      required:
      - podcastID
      - name
      - description
      - seriesType
      - explicitLanguage
      - language
      - owner
      - author
      - images
      - colorPalette
      - relatedCollections
      - episodes
      properties:
        podcastID:
          type: string
        name:
          type: string
        description:
          type: string
        contentType:
          deprecated: true
          description: Deprecated - use seriesType instead.
          type:
          - string
          - 'null'
          enum:
          - EPISODIC
          - SERIAL
        seriesType:
          type:
          - string
          - 'null'
          enum:
          - EPISODIC
          - SERIAL
        explicitLanguage:
          type:
          - boolean
          - 'null'
        language:
          type:
          - string
          - 'null'
        author:
          type:
          - string
          - 'null'
        owner:
          type:
          - string
          - 'null'
        images:
          type: array
          items:
            $ref: '#/components/schemas/Image'
        colorPalette:
          $ref: '#/components/schemas/ColorPalette'
        relatedCollections:
          type: array
          items:
            $ref: '#/components/schemas/CollectionShort'
        episodes:
          type: array
          items:
            $ref: '#/components/schemas/PodcastEpisode'
    CollectionItemType:
      type: string
      description: This specifies what kind of items are in a collection.
      enum:
      - PODCASTS
      - RADIOSTATIONS
      - VIDEOPROGRAMS
    PodcastEpisode:
      type: object
      additionalProperties: false
      required:
      - podcastEpisodeID
      - podcastID
      - name
      - description
      - links
      - publicationDateUTC
      - seasonNumber
      - episodeType
      - explicitLanguage
      - durationMilliseconds
      - webPage
      - images
      - colorPalette
      properties:
        podcastEpisodeID:
          type: string
        podcastID:
          type: string
        name:
          type: string
        description:
          type:
          - string
          - 'null'
        URLs:
          deprecated: true
          description: Deprecated - replaced by links and wePage.
          type: array
          items:
            $ref: '#/components/schemas/URLObject'
        links:
          type: array
          items:
            $ref: '#/components/schemas/PodcastEpisodeLink'
        publicationDateUTC:
          type: string
          format: date-time
          examples:
          - '2026-01-04T22:30:00.000Z'
        webPage:
          type:
          - string
          - 'null'
        seasonNumber:
          type:
          - integer
          - 'null'
        episodeType:
          type:
          - string
          - 'null'
          description: todo enum? [FULL, TRAILER, BONUS, null]
        explicitLanguage:
          type:
          - boolean
          - 'null'
        durationMilliseconds:
          type:
          - integer
          - 'null'
        images:
          type: array
          items:
            $ref: '#/components/schemas/Image'
        colorPalette:
          $ref: '#/components/schemas/ColorPalette'
        sizeBytes:
          deprecated: true
          description: Deprecated - use the sizeBytes in the episode link instead.
          type:
          - integer
          - 'null'
  responses:
    errorResponse403:
      description: Forbidden
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
          examples:
            default:
              value:
                status: 403
                error: forbidden
                description: GN-APIKEY is not entitled for this request.
    errorResponse4XX:
      description: Other 4XX may occur. Please read the error description for more information.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
          examples:
            default:
              value:
                status: 405
                error: invalid_query_method
                description: Only GET is supported for this endpoint.
    errorResponse400:
      description: Bad Request. Please see the error description for more details.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
          examples:
            default:
              value:
                status: 400
                error: invalid_query_parameter_value
                description: Unsupported contentMarket values
    errorResponse429:
      description: Too Many Requests
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
          examples:
            default:
              value:
                status: 429
                error: quota_limit_exceeded
                description: Too many requests. Client exceeded their allocated rate limit.
    errorResponse404:
      description: The specified object was not found.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
          examples:
            default:
              value:
                status: 404
                error: resource_not_found
                description: Resource not found.
    errorResponse5XX:
      description: An unexpected error occurred on the server. Please see the error description for more details.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
          examples:
            default:
              value:
                status: 500
                error: internal_server_error
                description: Server encountered an unexpected condition that prevented it from fulfilling the request.
    errorResponse401:
      description: Unauthorized
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
          examples:
            default:
              value:
                status: 401
                error: unauthorized_missing_api_key
                description: GN-APIKEY header must be provided.
  parameters:
    contentMarketParam:
      in: query
      name: contentMarket
      description: The market for the content. This parameter is used to tailor the content based on the target market as set by the manufacturer.
      required: true
      schema:
        type: string
        enum:
        - AUS
        - CAN
        - DEU
        - ESP
        - FRA
        - GBR
        - IND
        - ITA
        - JPN
        - KOR
        - USA
      examples:
        default:
          value: USA
    encodingParam:
      description: Optional header to specify the encoding type that the client is hoping to receive.
      name: Accept-Encoding
      in: header
      required: false
      schema:
        type: string
        examples:
        - gzip
    apiKeyParam:
      name: GN-APIKEY
      in: header
      description: API key to authorize the request.
      required: true
      schema:
        type: string
        examples:
        - your-api-key
    languageParam:
      name: preferredLanguage
      in: query
      description: The preferred language for the content is a two-letter country and two-letter language code, such as en-US. The API returns localized strings in the specified language if available. Otherwise, the API will default to the primary language of the contentMarket.
      required: true
      schema:
        pattern: ^[a-z]{2}-[A-Z]{2}$
        examples:
        - en-GB