{"uid":"cap_OyU8plEfzi_HXLov4Cjkv","slug":"particle-pro-list-sponsors-for-a-publisher-275db65d","name":"Particle Pro – List Sponsors for a Publisher","description":"List sponsors for a publisher. Returns a paginated list of sponsors active across the publisher's catalog.","url":"https://api.particle.pro/v1/podcasts/publishers/:id/advertising/sponsors","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"pathParams":{"type":"object","required":["id"],"properties":{"id":{"type":"string","description":"Podcast publisher slug (e.g., 'iheartpodcasts', 'bbc-radio-4') or ID"}}},"queryParams":{"type":"object","properties":{"q":{"type":"string","description":"Search by name (case-insensitive partial match)"},"sort":{"enum":["ad_count","podcast_coverage","episode_reach"],"type":"string","description":"Sort order. ad_count ranks by ad volume on the publisher's catalog; podcast_coverage surfaces network buyers (sponsors hitting many shows); episode_reach prioritizes broad episode-level exposure."},"limit":{"type":"integer","format":"int64","description":"Results per page"},"cursor":{"type":"string","description":"Opaque pagination cursor from previous response"},"min_podcast_coverage":{"type":"integer","format":"int64","description":"Only return sponsors that appear on at least this many distinct podcasts in the publisher's catalog. Use to filter for bundle/network buyers."}}}},"additionalProperties":false}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.04","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.04/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.04","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.04","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_cN7H6ro5i33lozRv4AUog","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.04","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a paginated list of advertisers/sponsors currently active across a podcast publisher's catalog, with filtering and sorting options.","exampleAgentPrompt":"Show me all sponsors running ads across iHeartPodcasts' catalog, sorted by episode reach, and only include brands that appear on at least 3 different shows.","exampleUseCases":[{"title":"Competitive ad intelligence for podcast network","prompt":"Who are the top advertisers on the NPR podcast network right now? Sort them by how many podcasts they're covering and only show me brands appearing on at least 5 shows."},{"title":"Brand safety audit for publisher partnership","prompt":"I'm evaluating a partnership with BBC Radio 4 — can you pull the full list of sponsors active on their podcast catalog so I can check if any competitors are already advertising there?"},{"title":"Sales prospecting for podcast ad inventory","prompt":"List the sponsors on the Wondery publisher catalog sorted by ad count — I want to see who's buying the most ad slots so I can identify which brands are heavily investing in that network."}],"resultDescription":"A paginated JSON list of sponsor/company records active on the publisher's podcast catalog, each including company identifiers, ad counts, podcast coverage (number of distinct shows), and episode reach metrics. Includes an opaque cursor for fetching the next page.","failureModes":["Unknown publisher slug or ID returns a 404 not found error","Invalid sort enum value returns a 400 bad request","Invalid min_podcast_coverage value (non-integer) returns a 400 validation error","Expired or malformed pagination cursor returns an error or empty results","Payment not processed (x402 protocol) results in a 402 Payment Required response","Publisher with no active sponsors returns an empty list"],"whenToPreferThis":"Use this endpoint when you need to discover which advertisers are sponsoring content across an entire podcast publisher's catalog — especially for network-level buyer analysis, competitive intelligence, or sales prospecting. Prefer this over the company-level endpoint when the starting point is a publisher/network rather than a specific brand, and when you need cross-show sponsor coverage metrics.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T00:50:28.672Z","isFirstParty":false}