{"uid":"cap_z27_m0UFlaX01U6FSnyFR","slug":"arbipulsepredicitionmarketarbitrage-604d1396","name":"ArbipulsePredicitionMarketArbitrage","description":"Prediction market cross-venue arbitrage — matches live Polymarket contracts to Kalshi contracts for the same events: both leg strategies, gross cost, Kalshi taker fee, net edge per contract, ARB_CANDIDATE / CONVERGENCE_GAP / ALIGNED verdicts. Optional ?query= topic filter. Deterministic order-book math, no LLM.","url":"https://arbipulse.theaslangroupllc.com/api/predmarket-arb?utm_source=zero.xyz","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","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","properties":{"scan":{"type":"string","description":"Top Polymarket contracts to match (default 8, max 12)"},"query":{"type":"string","description":"Optional topic filter (e.g. fed, world cup, bitcoin)"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"errors":{"type":"object","description":"Documented error responses, keyed by HTTP status code","additionalProperties":{"type":"object","required":["description"],"properties":{"example":{"type":"object"},"description":{"type":"string"}}}},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","errors":{"400":{"example":{"error":"invalid request"},"description":"Invalid or missing parameter(s). Returned before the payment gate on paid requests, so a malformed call is never charged. JSON body: { error: <what is wrong and how to fix it> } plus usage hints."},"402":{"description":"Payment required — x402 v2 challenge; the accepts array lists scheme, network, and amount. Retry the same request with a PAYMENT-SIGNATURE (v2) or X-PAYMENT (v1) header. Verification is free."},"500":{"example":{"error":"upstream_failed"},"description":"Unexpected server error. If a payment settled without a usable result, contact info@theaslangroupllc.com with the settlement tx hash for a re-run or credit."}},"example":{"coverage":{"pairs_matched":3},"matched_pairs":[{"event":"Will England win?","verdict":"ARB_CANDIDATE","mid_gap_cents":2.5}]}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.05","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":{"p10Cents":"5.0000","medianCents":"5.0000","p90Cents":"5.0000","minCents":"5.0000","maxCents":"5.0000","p95Cents":"5.0000","sampleCount":1,"varies":false,"failureChargeRate":null},"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.05/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_QSbF9Cucumwz3FanNoFFt","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.05","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Scans live Polymarket and Kalshi contracts for the same event, calculates both-leg arbitrage strategies, gross cost, fees, and net edge, returning ARB_CANDIDATE, CONVERGENCE_GAP, or ALIGNED verdicts.","exampleAgentPrompt":"Scan Polymarket and Kalshi right now for any arb opportunities on US election contracts — show me the both-leg strategy, gross cost, Kalshi taker fee, net edge, and whether each match is an ARB_CANDIDATE, CONVERGENCE_GAP, or ALIGNED.","exampleUseCases":[{"title":"Real-time surebet detection for political events","prompt":"Check Polymarket and Kalshi for any profitable both-leg trades on the 2024 election outcome contracts — I want to see which pairs have a positive net edge after all fees, and flag anything that's an ARB_CANDIDATE so I can act fast."},{"title":"Cross-venue convergence monitoring during market moves","prompt":"Watch the Fed rate decision contracts across Polymarket and Kalshi and tell me when the spread widens enough to create a CONVERGENCE_GAP — I need the net edge and gross cost upfront so I know if it's worth the capital."},{"title":"Systematic arb scanning across all live event contracts","prompt":"Scan both markets right now for every event contract pair where there's a mismatch — show me all the ARB_CANDIDATE and CONVERGENCE_GAP verdicts with the two-leg strategy and net profit after Kalshi taker fees so I can rank them by edge."}],"resultDescription":"A list of matched Polymarket/Kalshi contract pairs for the same event, each with the both-leg trade strategy, gross cost, Kalshi taker fee, net edge per contract, and a verdict of ARB_CANDIDATE, CONVERGENCE_GAP, or ALIGNED. Computed using deterministic order-book math with no LLM involvement.","failureModes":["No contracts found matching the query topic — returns empty results","Stale or unavailable order book data from Polymarket or Kalshi — may return partial results","Invalid query parameter format — returns 400 error","Payment not processed — returns 402 Payment Required","Rate limiting or service unavailability — returns 5xx error"],"whenToPreferThis":"Use this endpoint when you need to identify cross-venue prediction market arbitrage between Polymarket and Kalshi specifically, with deterministic fee-adjusted net edge calculations and structured verdicts. Prefer this over general financial arbitrage endpoints when your focus is prediction market event contracts rather than crypto, ETFs, or sports books.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-29T06:44:07.196Z","isFirstParty":false,"canonicalSlug":"arbipulsepredicitionmarketarbitrage-604d1396"}