{"uid":"cap_Ng_Xly99bWcTxN_qIF51I","slug":"kalshi-markets-data-feed-4abcad20","name":"Kalshi Markets Data Feed","description":"Kalshi markets / event contracts / Kalshi API / CFTC-regulated prediction markets / Kalshi browse / KalshiEX markets list. Pulls live markets from api.elections.kalshi.com with filter by status, series ticker, event ticker, free-text query, minimum volume. Prices converted from cents to 0-1 probabilities for easy cross-venue compare. DATA only — no order entry.","url":"https://x402-deployer.x402-deployer.workers.dev/kalshi-markets","method":"POST","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method","bodyType","body"],"properties":{"body":{"properties":{"limit":{"type":"number","description":"1-200. Default 50."},"query":{"type":"string","description":"Free-text filter on title / ticker / subtitle / event_ticker (substring)."},"cursor":{"type":"string","description":"Pagination cursor from previous response."},"status":{"enum":["open","closed","settled","active"],"type":"string","description":"Default 'open'."},"min_volume":{"type":"number","description":"Minimum 24-hr volume filter (server-side, on returned page)."},"event_ticker":{"type":"string","description":"Filter by event ticker."},"series_ticker":{"type":"string","description":"Filter by series (e.g. 'KXELONMARS')."}}},"type":{"type":"string","const":"http"},"method":{"enum":["POST"],"type":"string"},"bodyType":{"enum":["json","form-data","text"],"type":"string"}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","properties":{"count":{"type":"integer"},"cursor":{"type":"string"},"markets":{"type":"array","items":{"type":"object","properties":{"title":{"type":"string"},"status":{"type":"string"},"ticker":{"type":"string"},"volume_24h":{"type":"integer"},"yes_mid_prob":{"type":"number"}}}},"attribution":{"type":"string"}}}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"registry","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":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_uoKr2MDlFoc30VvUt_PwY","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Fetches live CFTC-regulated prediction market contracts from Kalshi, with prices normalized to 0–1 probabilities, filterable by status, series, event, query, and volume.","exampleAgentPrompt":"Pull the top 20 open Kalshi markets related to 'Fed rate cut' with at least 500 in 24-hour volume, and show me their yes probabilities normalized to 0–1.","exampleUseCases":[{"title":"Election odds monitoring","prompt":"What are all the open Kalshi markets in the KXELONMARS series right now? Show me their current yes probabilities and 24-hour volume."},{"title":"Cross-venue probability comparison","prompt":"Get me the top 50 open Kalshi markets matching 'inflation' so I can compare their yes-midpoint probabilities against Polymarket prices."},{"title":"High-liquidity market discovery","prompt":"List the open Kalshi prediction markets with a minimum 24-hour volume of 10000 — I want to find the most actively traded contracts right now."}],"resultDescription":"Returns a list of Kalshi market objects each containing ticker, title, status, 24-hour volume, and yes midpoint probability as a 0–1 float (converted from cents). Also includes a pagination cursor for subsequent pages and a count of returned markets, plus an attribution string.","failureModes":["Kalshi upstream API unavailable — returns error from proxy","Invalid status enum value — rejected before forwarding","No markets match filters — returns empty markets array with count 0","Cursor token expired or invalid — pagination fails","Rate limit or payment failure — x402 payment required error"],"whenToPreferThis":"Use this endpoint when you need live, CFTC-regulated prediction market data from Kalshi specifically, especially when you want prices already normalized to 0–1 probabilities for easy cross-venue comparison. Prefer it over scraping Kalshi directly or using raw Kalshi API calls when you want a lightweight proxy with built-in probability conversion. Best for read-only market discovery and monitoring — not for order placement.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T06:50:59.410Z","isFirstParty":false}