{"uid":"cap_6LxeqAnUuBXaDnKqAmPww","slug":"nba-odds-gap-relayhop-workers-dev-0a14dad8","name":"NBA Cross-Venue Championship Odds Gap (Polymarket vs Kalshi)","description":"NBA championship odds gap: Polymarket vs Kalshi implied-probability divergence on the same 2026 NBA title outcomes, ranked by |gap|. Query: ?page=1-50&per_page=1-3. Sources: Polymarket Gamma + Kalshi public API + ESPN (all free, keyless).","url":"https://nba-odds-gap.relayhop.workers.dev/v1/nba/cross-venue-signals","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","properties":{"page":{"in":"query","type":"string","description":"ranked page 1-50 (default 1)"},"per_page":{"in":"query","type":"string","description":"signals per page 1-3, cap 3 (default 3)"}}},"output":{"type":"object"}}},"responseSchema":null,"example":{"request":{"input":{"page":"1","per_page":"3"}},"response":{"data":{"note":"Cross-venue implied-probability divergence (Polymarket vs Kalshi) on the same NBA championship outcomes, matched via ESPN team names. Factual market inefficiency — not betting advice.","page":1,"market":"NBA Championship 2026 (cross-venue)","venues":["polymarket","kalshi"],"matched":0,"signals":[],"per_page":3},"source":"/v1/nba/cross-venue-signals"}},"exampleRequest":{"input":{"page":"1","per_page":"3"}},"tags":["x402"],"displayCostAmount":"0.05","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"settled","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":"$0.05/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_LwYxuk8mwmmevCddi9mIl","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":"Returns ranked list of 2026 NBA championship title implied-probability divergences between Polymarket and Kalshi, sorted by absolute gap size.","exampleAgentPrompt":"Show me the top 3 NBA teams where Polymarket and Kalshi disagree most on 2026 championship odds — I want to see which markets are most out of sync right now.","exampleUseCases":null,"resultDescription":"A ranked list (up to 3 per page, pages 1-50) of 2026 NBA title outcomes showing each team's implied probability on Polymarket and Kalshi, the absolute gap between them, and rank by divergence size — useful for spotting cross-market inefficiencies.","failureModes":["page out of range (must be 1-50) returns error or empty result","per_page exceeds cap of 3 returns capped or error response","upstream Polymarket Gamma or Kalshi API unavailable causes stale or missing data","payment of 0.05 USDC not provided returns 402 Payment Required","no matching cross-listed NBA markets found returns empty signals list"],"whenToPreferThis":"Use this endpoint when you need a pre-computed, ranked comparison of NBA championship odds divergence across Polymarket and Kalshi simultaneously — rather than querying each prediction market separately and computing gaps yourself. Ideal for agents doing cross-venue arbitrage analysis, prediction market research, or sports analytics without needing API keys.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T06:34:07.202Z","isFirstParty":false}