{"uid":"cap_kMD4NMQwJc2-XxUfrD52A","slug":"arkham-x402-polymarket-wallet-portfolio-summary-f5538b81","name":"Arkham x402 Polymarket Wallet Portfolio Summary","description":"Get Arkham Polymarket wallet portfolio summary. $0.40 per call.","url":"https://api.arkm.com/x402/polymarket/wallet/summary/portfolio","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"addr":{"anyOf":[{"type":"string"},{"type":"number"},{"type":"boolean"},{"type":"array","items":{"anyOf":[{"type":"string"},{"type":"number"},{"type":"boolean"}]}}],"description":"Required. Polymarket trade address (0x + 40 hex chars)."}}},"responseSchema":{"type":"json","example":{"openMarkets":5,"userAddress":"0xBDDF61Af533fF524D27154e589d2D7A81510C684","openPositions":5,"unrealizedPnl":"3607.967980369","openPositionValue":"80814.455545369"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.4","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":"$0.4/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.4","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.4","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_f7iLy2LpKLbfGeNWW8AY8","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.4","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a summary of a wallet's Polymarket portfolio including open positions, unrealized PnL, and open position value.","exampleAgentPrompt":"Pull up the Polymarket portfolio summary for wallet 0xBDDF61Af533fF524D27154e589d2D7A81510C684 — I want to see how many open positions they have, their total open position value, and their unrealized PnL.","exampleUseCases":[{"title":"Trader performance monitoring","prompt":"Check the Polymarket portfolio for 0xBDDF61Af533fF524D27154e589d2D7A81510C684 — how many open positions do they have and what's their unrealized PnL right now?"},{"title":"Whale wallet research","prompt":"I want to investigate what this big Polymarket trader is up to — look up the portfolio summary for 0xABC123... and tell me their open position value and how many markets they're active in."},{"title":"Pre-trade due diligence","prompt":"Before I follow this wallet's trades, can you pull their Polymarket portfolio summary for 0x1234... so I can see their current exposure and unrealized profit or loss?"}],"resultDescription":"Returns a JSON object with the wallet address, number of open markets, number of open positions, total open position value in USD, and unrealized PnL in USD for the queried Polymarket wallet.","failureModes":["Invalid or malformed wallet address returns an error","Wallet has no Polymarket activity returns zeroed or empty fields","Payment failure via x402 results in 402 Payment Required response","Rate limiting or quota exhaustion may block repeated calls","Network timeout if Arkham backend is slow to respond"],"whenToPreferThis":"Use this endpoint when you need a quick, structured portfolio snapshot of any Polymarket wallet — especially for on-chain intelligence tasks like tracking whale traders, assessing prediction market exposure, or building dashboards. Prefer it over scraping Polymarket's UI or using generic blockchain explorers, as it provides pre-computed PnL and position aggregates specific to Polymarket.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T00:44:05.428Z","isFirstParty":false}