> ## Documentation Index > Fetch the complete documentation index at: https://docs.particle.pro/llms.txt > Use this file to discover all available pages before exploring further. # Get publisher advertising profile > Returns advertising intelligence rolled up across every podcast attributed to the publisher: total ads, unique sponsors, episode reach, host-read vs pre-recorded mix, the top sponsors, and the count of network buyers (sponsors hitting at least 3 podcasts and at least 25% of the publisher's catalog). ## OpenAPI ````yaml /openapi.json get /v1/podcasts/publishers/{id}/advertising openapi: 3.1.0 info: description: Public API for Particle — news intelligence, financial data, and analysis. title: Particle API version: 0.1.0 servers: - url: https://api.particle.pro security: - ApiKeyHeader: [] - BearerAuth: [] paths: /v1/podcasts/publishers/{id}/advertising: get: tags: - Podcast Advertising - tier:premium summary: Get publisher advertising profile description: >- Returns advertising intelligence rolled up across every podcast attributed to the publisher: total ads, unique sponsors, episode reach, host-read vs pre-recorded mix, the top sponsors, and the count of network buyers (sponsors hitting at least 3 podcasts and at least 25% of the publisher's catalog). operationId: get-publisher-advertising parameters: - description: Podcast publisher slug (e.g., 'iheartpodcasts', 'bbc-radio-4') or ID in: path name: id required: true schema: description: >- Podcast publisher slug (e.g., 'iheartpodcasts', 'bbc-radio-4') or ID type: string responses: '200': content: application/json: schema: $ref: '#/components/schemas/PublisherAdvertisingProfile' description: OK default: content: application/problem+json: schema: $ref: '#/components/schemas/PlatformError' description: Error x-codeSamples: - label: cURL lang: curl source: |- curl -H "X-API-Key: $PARTICLE_API_KEY" \ "https://api.particle.pro/v1/podcasts/publishers/{id}/advertising" components: schemas: PublisherAdvertisingProfile: additionalProperties: false properties: ads_per_active_podcast: description: >- Mean ad count across podcasts that ran at least one ad — monetization density. Same metric the cross-publisher leaderboard ranks on. format: double type: number coverage: $ref: '#/components/schemas/PublisherAdvertisingCoverage' description: Catalog size and how much of it carries ads. episode_reach: description: Distinct episodes with ads format: int64 type: integer network_buyers_count: description: >- Sponsors hitting at least 3 podcasts and at least 25% of the publisher's catalog — the bundle-buy signal. format: int64 type: integer publisher: $ref: '#/components/schemas/PodcastPublisherCompact' description: The publisher whose catalog is summarized. read_type_breakdown: $ref: '#/components/schemas/ReadTypeBreakdown' description: Distribution of ad read types top_sponsors: description: Most frequent sponsors across the catalog items: $ref: '#/components/schemas/TopPublisherSponsor' type: - array - 'null' total_ads: description: Total ads detected across the catalog (excludes network promos) format: int64 type: integer unique_sponsors: description: Distinct sponsors across the catalog format: int64 type: integer required: - publisher - coverage - total_ads - unique_sponsors - episode_reach - ads_per_active_podcast - read_type_breakdown - network_buyers_count - top_sponsors type: object PlatformError: additionalProperties: false properties: detail: description: >- A human-readable explanation specific to this occurrence of the problem. examples: - Property foo is required but is missing. type: string error_code: type: string errors: description: Optional list of individual error details items: $ref: '#/components/schemas/ErrorDetail' type: - array - 'null' instance: description: >- A URI reference that identifies the specific occurrence of the problem. examples: - https://example.com/error-log/abc123 format: uri type: string resolve: $ref: '#/components/schemas/ErrorResolve' status: description: HTTP status code examples: - 400 format: int64 type: integer title: description: >- A short, human-readable summary of the problem type. This value should not change between occurrences of the error. examples: - Bad Request type: string type: default: about:blank description: A URI reference to human-readable documentation for the error. examples: - https://example.com/errors/example format: uri type: string type: object PublisherAdvertisingCoverage: additionalProperties: false properties: active_coverage: description: >- active_podcasts / total_podcasts, clamped to [0, 1]. Treat as a confidence proxy for the rolled-up totals. format: double type: number active_podcasts: description: Number of catalog podcasts that have at least one detected ad. format: int64 type: integer total_podcasts: description: >- Number of podcasts in the publisher's catalog (denormalized from podcast_publishers.podcast_count). format: int64 type: integer required: - total_podcasts - active_podcasts - active_coverage type: object PodcastPublisherCompact: additionalProperties: false properties: id: description: Publisher ID type: string name: description: Publisher name type: string slug: description: >- Human-readable slug identifier (e.g., 'goalhanger', 'iheartpodcasts'). When present, accepted in place of the ID anywhere a publisher reference is taken in the API. Occasionally absent on publishers whose name doesn't slugify (e.g., scripts not representable in ASCII URL slugs). type: string required: - id - name type: object ReadTypeBreakdown: additionalProperties: false properties: host_read: description: Number of host-read ads format: int64 type: integer pre_recorded: description: Number of pre-recorded ads format: int64 type: integer required: - host_read - pre_recorded type: object TopPublisherSponsor: additionalProperties: false properties: ad_count: description: Total number of ads across the publisher's catalog format: int64 type: integer company_id: description: Linked company identifier (domain, slug, or encoded ID) type: string episode_count: description: Distinct episodes featuring this sponsor format: int64 type: integer podcast_coverage: description: Distinct podcasts in the publisher where this sponsor appears format: int64 type: integer slug: description: >- Stable human-readable handle (the linked knowledge-graph slug, e.g. 'nvidia'), when known. Prefer it (or company_id) as a /v1/companies key. type: string sponsor_name: description: Sponsor name type: string required: - sponsor_name - ad_count - podcast_coverage - episode_count type: object ErrorDetail: additionalProperties: false properties: location: description: >- Where the error occurred, e.g. 'body.items[3].tags' or 'path.thing-id' type: string message: description: Error message text type: string value: description: The value at the given location type: object ErrorResolve: additionalProperties: false properties: action: type: string endpoint: type: string message: type: string method: type: string url: type: string required: - message type: object securitySchemes: ApiKeyHeader: description: Pass your API key in the X-API-Key header (recommended). in: header name: X-API-Key type: apiKey BearerAuth: description: Pass your API key as a Bearer token in the Authorization header. scheme: bearer type: http ````