Particle Pro

Search podcasts. Searches the podcast catalog by show name — the canonical podcast search.

Look up podcasts by external platform identifier. Resolves one or more external platform identifiers (Apple Podcasts collection IDs, Spotify show IDs, YouTube channel IDs, …) — or RSS feed URLs via platform=rss — to Particle podcasts.

List related podcasts. Returns the shows most related to a podcast, best first, each with a calibrated score, a coarse band (strong, moderate, weak) to branch on, and — with include=basis — the signals behind the pairing: content similarity

Search podcast episode content. To find podcasts (shows) by name or topic, use /v1/podcasts/search?q=….

List episodes. Returns a paginated list of podcast episodes across all podcasts.

Search entities. Find a person, company, or knowledge graph entity by free-text query — a name, partial name, nickname, stock ticker, @handle, or website domain.

List podcast guests. Returns a paginated directory of Persons who have appeared on at least one podcast episode in a non-host listing role.

List sponsors advertising on a podcast. Returns per-sponsor ad activity on a single podcast (ads, distinct episodes, most recent placement), ordered by ad count descending.

List sponsors. Returns a paginated list of podcast advertising sponsors, optionally filtered by name search or company.

List ads in an episode. Returns the advertising spots detected in a specific episode, including the sponsor, the linked company in the knowledge graph, the advertised product or offer, the read type (HOST_READ vs PRE_RECORDED), and the placement

List clips for an episode. Returns the AI-extracted highlight clips for a specific episode, sorted by engagement score.

List entities in an episode. Returns knowledge graph entities mentioned in a specific episode, with salience scores and occurrence counts.

Look up episodes by external identifier. Resolves one or more external episode identifiers to Particle episodes.

List related episodes. Returns episodes from other shows that cover the same story or subject as this episode, best first: a live nearest-neighbour search over episode content, reranked on shared salient entities, shared topics and a shared

List segments for an episode. Returns the AI-identified segments for a specific episode in chronological order.

List speakers in an episode. Returns the identified speakers in a specific episode with their roles and speaking durations.

List topics for an episode. Returns the topic taxonomy classifications for a specific episode.

Get episode transcript. Returns the diarized transcript for a podcast episode.

Get podcast advertising profile. Returns advertising intelligence for a specific podcast, including aggregate stats, read type breakdown, and top sponsors.

Get a podcast's latest bias analysis. Returns the most recent automated political bias analysis for a podcast, including the agent's reasoning, transcript evidence, web research evidence, and the sample episodes that informed the rating.

List clips. Returns AI-extracted highlight clips across podcast episodes, ranked by engagement potential.

List episodes for a podcast. Returns a paginated list of episodes for a specific podcast, identified by slug (e.g., 'all-in') or ID.

Get an episode. Returns a single episode by its unique identifier.

List a podcast's third-party platform presences. Returns every third-party platform on which the podcast has a known presence — podcast directories (Apple Podcasts, Spotify, Castbox, …), social profiles (X, Instagram, TikTok, …), video

Get a podcast's format profile. Returns the full format breakdown for a podcast: how often episodes feature guests, detected production formats (interview, panel, call_in, solo_narrated), advertiser and video presence, episode length distribution

List the guest roster for a podcast. Returns the paginated set of identified guests who have appeared on the podcast, grouped by Person.

List podcast rankings. Returns chart entries from the live ranking snapshot.

Get historical rankings for a podcast. Returns the historical rank entries for a podcast across one or more chart slots.

Summarize a podcast's ratings. Returns the numeric aggregate of a podcast's ratings — one entry per (platform, locale) it has been rated on, a combined cross-source roll-up, and the latest LLM-generated narrative summary of recent review text

List trending sponsors. Surfaces advertisers whose podcast ad volume is accelerating.

Get entity mentions in transcript. Finds all mentions of a specific entity within an episode's transcript and returns each mention with surrounding dialogue context.

Get a transcript excerpt around a moment. Returns one segment of an episode's transcript: the latest segment starting at or before at (seconds), or the opening segment when at is omitted.

Get word-level transcript. Returns the word-level timestamped transcript for a podcast episode.

Get advertising leaderboard. Returns the top podcast advertising sponsors ranked by the specified metric, with optional time range and company filtering.

List company podcast advertising placements. Returns a newest-first, keyset-paginated feed of physical podcast ad placements with a known episode publication time, attributed to a company, with episode and podcast context plus every company

List podcasts carrying company advertising. Returns podcasts ranked by exact company-linked ad count, with company-wide sponsor filters, per-podcast sponsor breakdowns, recent preview segments, and cursor pagination.

List publisher's podcasts ranked by ad volume. Returns a paginated list of the publisher's podcasts ordered by total ad count.

List sponsors for a publisher. Returns a paginated list of sponsors active across the publisher's catalog.

Get a sponsor. Returns a single advertising sponsor with activity metrics.

List analyzed podcasts for a publisher. Returns a paginated list of the publisher's analyzed podcasts with their latest bias analysis attached.

List bill actions. Returns a paginated list of legislative actions taken on a bill, ordered chronologically.

List bill sponsors. Returns the primary sponsor and all cosponsors of a bill with congress member details.

List bill text versions. Returns all published text versions of a bill with links to PDF, XML, and HTML formats.

Get clip transcript. Returns the diarized transcript for a specific clip.

List committee bills. Returns bills that have been referred to or acted upon by this committee.

List companies. Returns a paginated list of companies.

Get a company. Returns a single company by slug (e.g., 'apple'), domain (e.g., 'apple.com'), or ID.

List company competitors. Returns a paginated list of competitors for a company, ordered by prominence (news coverage volume, market cap, podcast appearances, Wikidata notability) so the largest / most-newsworthy competitors come first.

List company people. Returns a paginated list of people associated with a company (executives and other known roles), current roles first and most-recently-joined first.

List company products. Returns the product hierarchy for a company as a nested tree.

List entities. List knowledge graph entities (people, organizations, places) across all podcast content.

Get an entity. Returns a single knowledge graph entity by slug (e.g., 'sam-altman', 'apple') or ID.

List entity charts. Returns every entity chart with the headline state of its current edition: the edition date, whether narratives have been written yet, and what sits at rank 1.

List entity types. Returns the entity categories supported as values for the type query parameter on /v1/entities and the entity_type query parameter on /v1/podcasts/episodes/search.

List appearances for a podcast guest. Returns the chronological list of episodes a guest has appeared on, most recent first.

List podcasts a guest has appeared on. Returns the distinct set of podcasts a guest has appeared on, with per-podcast appearance counts, first/last appearance dates, and the podcast's brand-safety and bias attributes when evaluated.

Get a guest's brand-suitability exposure profile. Returns the distribution of IAB Tech Lab brand-suitability tiers across the podcasts a guest has appeared on, plus the most-frequently flagged categories observed in those shows.

List trending podcast guests. Surfaces guests who are currently making the podcast rounds — the kind of cross-show interview activity that signals a book launch, product unveil, news-cycle moment, or new-on-the-scene debut.

Get advertising leaderboard preview. Returns the top 10 advertising sponsors of the trailing 7 days ranked by the chosen metric, each with its rank movement versus the equivalent 7-day window ending 30 days ago.

List member bills. Returns bills sponsored or cosponsored by this congress member.

List member votes. Returns the voting record for this congress member.

Get a Person. Returns the comprehensive Person payload including display name, slug, headshot, curated bio, the Person's company-role history (most recent first), known third-party profile links, and an optional knowledge-graph cross-reference

List a Person's external profiles. Returns every known third-party profile (LinkedIn, Wikipedia, social) for the Person.

Get company advertising profile. Returns advertising intelligence for a specific company across the podcast ecosystem, including reach metrics and recent ad placements.

List podcasts a company could advertise on next. Returns shows the company does NOT advertise on, ranked by how related they are to the shows it DOES — the buy-side prospect list.

List and search podcasts. Returns a paginated list of podcasts, with filters for topic, language, suitability tier, popularity, and format.

Get a podcast. Returns a single podcast by slug (e.g., 'all-in') or ID.

Get a clip. Returns a single clip by its unique identifier.

Get a podcast guest profile. Returns the lifetime profile for a podcast guest including their Person identity (name, slug, headshot, current title/company), total appearances, distinct podcasts, role mix, and the most-frequent shows they've

Get a podcast publisher. Returns a single podcast publisher by slug (e.g., 'goalhanger', 'iheartpodcasts', 'bbc-radio-4') or ID.

List podcast publishers. Returns a paginated list of podcast publishers, ordered by catalog size (largest first, the default) or alphabetically by name.

List current rankings for a podcast. Returns every live chart appearance of the given podcast — across sources, countries, and categories.

List ratings for a podcast. Returns user-generated ratings (1-5 stars plus optional review text) captured from third-party platforms.

Get a segment. Returns a single segment by its unique identifier.

Get a podcast's latest brand suitability assessment. Returns the most recent brand suitability assessment for a podcast against the IAB Tech Lab Content Taxonomy 3.x Brand Safety & Suitability Framework (the industry-standard 12-category taxonomy

List podcast topics. Returns the top-level topics covered across all podcasts, sorted by the number of podcasts covering each topic.

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

Get publisher political bias profile. Returns political bias intelligence rolled up across every analyzed podcast attributed to the publisher: coverage stats, political share, average lean (on a -3..+3 ordinal scale), lean diversity, the bias

Get a cross-publisher suitability leaderboard. Returns a paginated, ranked list of podcast publishers by IAB/GARM brand-suitability composition.

Rank publishers by political bias metric. Returns a paginated leaderboard ranking publishers by a chosen bias metric: most_left_leaning, most_right_leaning, most_political, most_diverse, most_monolithic, or most_analyzed. min_analyzed_podcasts

Get publisher advertising leaderboard. Ranks podcast publishers by an advertising activity metric across their entire catalog. ads_per_active_podcast is the monetization-density metric — small sub-networks (e.g. 'iHeartPodcasts and The Volume

List podcasts for a publisher. Returns a paginated list of podcasts attributed to a publisher, ordered by popularity.

Get a publisher's brand suitability profile. Returns a publisher-level rollup of IAB Tech Lab Brand Safety & Suitability Framework (formerly GARM) verdicts across the publisher's catalog: tier composition (SAFE / LIMITED / SENSITIVE / UNSAFE

List ranking categories. Returns every category currently represented in the rankings dataset, optionally restricted to a single source.

List ranking countries. Returns every country currently represented in the rankings dataset, optionally restricted to a single source.

Get chart slot history. Returns historical chart snapshots for a chart slot, ordered most-recent first.

List ranking movers. Returns the chart entries whose rank changed between the live snapshot and the comparison snapshot window_days ago.

List ranking sources. Returns each (source, chart_type) pair available on this API together with row counts and freshness for the live snapshot.

Summarize a podcast's chart presence. Returns a one-call aggregate of the podcast's current chart presence: the number of distinct chart slots, sources, countries, and categories it appears on, plus the single best (lowest-numbered) rank it

List guests a podcast could plausibly book. Returns people who have guested on the podcast's related shows but never on this one, ranked by how related those venues are and how established the person is on them — a booking pipeline, not a

List podcasts a guest could plausibly appear on next. Returns shows the person has NOT appeared on, ranked by how related they are to the shows the person HAS appeared on — the pitch list.

List sponsors a podcast could pitch. Returns advertisers that run on the podcast's related shows but not on this one, ranked by how related those venues are, how much the sponsor buys there, and how recently — a prospecting list for a show

Get segment transcript. Returns the diarized transcript for a specific segment.

List podcasts for a sponsor. Returns a paginated list of podcasts where the sponsor advertises, ordered by the number of episodes featuring the sponsor.

List publishers for a sponsor. Returns the podcast publishers a sponsor advertises across, ordered by podcast coverage (the count of distinct publisher podcasts where the sponsor appears).

List ad segments for a sponsor. Returns the individual ad segments attributed to a sponsor, ordered by episode publication date descending, optionally scoped to a single podcast.

List a publisher's podcasts with their suitability verdicts. Returns a paginated list of the publisher's analyzed podcasts decorated with their latest IAB/GARM tier, confidence, evaluated-at timestamp, and any non-NONE category exposures (flagged

List topics. Returns the hierarchical topic taxonomy.

Get a topic. Returns a single topic with breadcrumb ancestors and the top direct children by prominence.

List vote positions. Returns individual member positions for a vote.