{"uid":"cap_nvBY3QAmsJ-DGK7LXzu1d","slug":"particle-pro-list-topics-for-episode-0c017d1d","name":"Particle Pro: List Topics for Episode","description":"List topics for an episode. Returns the topic taxonomy classifications for a specific episode.","url":"https://api.particle.pro/v1/podcasts/episodes/:id/topics","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":"Episode slug or ID"}}},"queryParams":{"type":"object","properties":{"limit":{"type":"integer","format":"int64","description":"Results per page (default: all)"},"cursor":{"type":"string","description":"Opaque pagination cursor from previous response"}}}},"additionalProperties":false}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.03","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":"$0.03/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.03","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.03","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_oRTEIZA-5eTkU4ZiWGPpB","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.03","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns the topic taxonomy classifications assigned to a specific podcast episode.","exampleAgentPrompt":"What topics does the Particle Pro API classify for the podcast episode with ID 'lex-fridman-elon-musk-2024'?","exampleUseCases":[{"title":"Topic taxonomy for episode research","prompt":"Can you pull the topic classifications for the podcast episode with slug 'huberman-sleep-episode-42' from Particle Pro so I can see what subject areas it covers?"},{"title":"Content filtering by episode topic","prompt":"I need to know all the topic tags Particle Pro has assigned to episode ID 'daily-1234' — I'm building a filter so only episodes tagged with certain subjects appear in my feed."},{"title":"Episode categorization for recommendation engine","prompt":"Grab the full topic taxonomy for the episode 'hard-fork-tech-ai-ep99' from Particle Pro — I want to use those classifications to match it against user interest profiles."}],"resultDescription":"A list of topic taxonomy classifications for the specified episode, including topic labels and category identifiers. Results may be paginated using a cursor when a limit is specified.","failureModes":["Episode ID or slug not found returns a 404 error","Invalid pagination cursor returns an error or empty result","Missing required path parameter 'id' causes a 400 bad request","Payment failure or missing x402 payment header results in 402 Payment Required","Rate limiting may result in 429 Too Many Requests"],"whenToPreferThis":"Use this endpoint when you need structured topic or subject classifications for a specific podcast episode — for example, to power content recommendation engines, build topic-filtered feeds, or enrich episode metadata. Prefer this over general episode search when you already have the episode ID or slug and need its taxonomy labels specifically.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T18:47:53.980Z","isFirstParty":false}