{"uid":"cap_5kh5mcNaghCgjt4E_sEKY","slug":"kalshi-event-detail-with-nested-markets-80197c1c","name":"Kalshi Event Detail with Nested Markets","description":"Get full detail for a single Kalshi event with all its nested markets. Mutually-exclusive flag tells you whether the markets partition outcome space (e.g. one winner). Useful for: viewing all candidates in an election, all CPI ranges, all weather buckets.","url":"https://agent402.tools/api/kalshi-event","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"eventTicker":{"type":"string","description":"Kalshi event ticker, e.g. PRES-24, CPI-25APR."}}},"responseSchema":{"type":"json","example":{"title":"2026 US Presidential election","source":"kalshi","markets":[{"noAsk":0.55,"noBid":0.53,"title":"Will the Democratic nominee win?","venue":"kalshi","status":"open","ticker":"PRES-24-DEM","volume":12345,"yesAsk":0.47,"yesBid":0.45,"venueUrl":"https://kalshi.com/markets/pres-24-dem","lastPrice":0.46,"eventTicker":"PRES-24","openInterest":5678}],"category":"Politics","subTitle":"Who will win?","eventTicker":"PRES-24","marketCount":2,"seriesTicker":"PRES","mutuallyExclusive":true}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","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":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_ayyA-Jq-oHQgBud31bT0E","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Fetches full details for a single Kalshi prediction market event, including all nested markets and whether they are mutually exclusive","exampleAgentPrompt":"Pull all the markets nested under the Kalshi event with ticker PRES-24 and tell me whether the outcomes are mutually exclusive — I want to see every candidate or outcome bucket listed.","exampleUseCases":null,"resultDescription":"Returns full event metadata for the specified Kalshi event, including all nested market objects (each with their own ticker, title, and outcome details), plus a mutually-exclusive flag indicating whether the markets together partition the full outcome space (e.g. exactly one can resolve YES).","failureModes":["Unknown or invalid eventTicker returns a 404 or error response","Event ticker exists but has no nested markets (empty markets array)","Kalshi API unavailable upstream causing a 502 or timeout","Malformed request body (missing eventTicker field) returns a 400 validation error","Payment not settled via x402 results in a 402 payment required error"],"whenToPreferThis":"Use this endpoint when you need a complete picture of a Kalshi event — all its child markets, their titles, and whether they are mutually exclusive — rather than just a list of top-level events. Ideal for election markets (all candidates), economic indicator markets (all CPI ranges), or any event where understanding the full outcome space matters.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T07:02:48.625Z","isFirstParty":false}