{"uid":"cap_kvLlG9kRbleup0ex9Ec8U","slug":"predge-whale-data-api-market-whale-activity-by-condition-id-5f7cf57c","name":"Predge Whale Data API – Market Whale Activity by Condition ID","description":"Polymarket whale trades and smart-money signals from the Predge tracking pipeline, sold per-call over the x402 payment protocol. No API keys, no accounts.","url":"https://x402-api-production-266e.up.railway.app/v1/whales/market/%7BconditionId%7D","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"responseSchema":{"type":"json","example":{"market":{"title":"Will the Fed cut rates in September?","status":"active","category":"economics","platform":"polymarket","yes_price":0.62,"condition_id":"0x178a746e2b342c25b1d78d0f0d0ea77157c9b6d40b2e97ffbf827cd7f9994c39"},"trades":[{"side":"yes","price":0.62,"wallet":"0x8dab6cf42d7e4d1cd6cca897b9e12a8cbe6d69e8","tx_hash":"0x6a7de5…","category":"economics","platform":"polymarket","size_usd":25400,"market_slug":"fed-rate-cut-september","condition_id":"0x178a746e2b342c25b1d78d0f0d0ea77157c9b6d40b2e97ffbf827cd7f9994c39","market_title":"Will the Fed cut rates in September?","wallet_score":81,"block_timestamp":"2026-07-17T09:41:02.000Z","wallet_win_rate_30d":0.67}],"summary":{"net_flow_usd":168000,"whale_trades":14,"no_volume_usd":122000,"unique_wallets":9,"yes_volume_usd":290000,"whale_volume_usd":412000},"window_days":7}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_4VYGfX75SPcd7sTKqYkVF","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns whale trades, smart-money signals, volume summary, and wallet scores for a specific Polymarket prediction market over the last 7 days.","exampleAgentPrompt":"Pull the whale trade activity for the Polymarket market with condition ID 0x178a746e2b342c25b1d78d0f0d0ea77157c9b6d40b2e97ffbf827cd7f9994c39 — I want to see which high-scoring wallets are buying YES or NO, the net dollar flow, and total whale volume over the last 7 days.","exampleUseCases":[{"title":"Fed rate cut market whale check","prompt":"Show me what the big smart-money wallets are doing on the Polymarket 'Will the Fed cut rates in September?' market — condition ID 0x178a746e2b342c25b1d78d0f0d0ea77157c9b6d40b2e97ffbf827cd7f9994c39. I want to know the net flow, how many whale trades there were, and which wallets with high win rates are buying YES."},{"title":"Pre-trade whale sentiment check","prompt":"Before I take a position on Polymarket condition 0x178a746e2b342c25b1d78d0f0d0ea77157c9b6d40b2e97ffbf827cd7f9994c39, can you check what the whales have been doing on that market over the last 7 days? Show me the yes vs no volume and any wallets with wallet scores above 70."},{"title":"Automated smart-money signal alert","prompt":"Every hour, check whale activity on my tracked Polymarket market condition 0x178a746e2b342c25b1d78d0f0d0ea77157c9b6d40b2e97ffbf827cd7f9994c39 and alert me if the net USD flow flips direction or a whale wallet with a 30-day win rate above 60% makes a trade larger than $10,000."}],"resultDescription":"Returns a JSON object with: (1) market metadata (title, status, category, yes_price, condition_id), (2) an array of individual whale trades each with side, price, wallet address, transaction hash, size in USD, wallet score, block timestamp, and 30-day wallet win rate, and (3) a summary with net_flow_usd, whale_trades count, yes/no volume USD, unique_wallets, and total whale_volume_usd — all covering a 7-day window with a 15-minute data delay.","failureModes":["Invalid or malformed conditionId returns an error or empty result","Market not found on Polymarket returns no data","Payment failure via x402 protocol blocks the response","Data delay of up to 15 minutes means very recent trades may be missing","conditionId for a resolved or delisted market may return stale or empty trade arrays"],"whenToPreferThis":"Use this endpoint when you need per-market whale and smart-money trade data for a specific Polymarket condition, including individual wallet-level signals with win rates and wallet scores. Prefer this over the top-movers or top-wallets endpoints when you already have a specific condition ID and want deep per-trade detail rather than a cross-market or cross-wallet ranking view.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T06:30:34.904Z","isFirstParty":false}