{"uid":"cap_CsGbmGLyAj_jHXnBrFuw3","slug":"predge-polymarket-whale-on-chain-activity-d6f66569","name":"Predge Polymarket Whale On-Chain Activity","description":"Real-time alerts on whale traders on Polymarket. Heuristic Insider Watch, wallet scoring 0–100, Bloomberg-style web terminal. Free plan included.","url":"https://api.predge.io/v1/onchain/pm-activity/%7Bwallet%7D","method":"GET","headers":{},"bodySchema":null,"responseSchema":{"type":"json","example":{"chain":"polygon","count":1,"scope":"polymarket-whale on-chain activity (prediction-market trades only, not general crypto flows)","trades":[{"tx_hash":"0x6a7de5…","block_time":"2026-07-17T09:41:02.000Z","attestation":{"kind":"onchain-activity","payload":{"kind":"onchain-activity","side":"yes","chain":"polygon","price":"0.6200","wallet":"0x8dab6cf42d7e4d1cd6cca897b9e12a8cbe6d69e8","tx_hash":"0x6a7de5…","platform":"polymarket","size_usd":"25400.00","issued_at":"2026-08-02T10:00:00.000Z","block_time":"2026-07-17T09:41:02.000Z","condition_id":"0x178a746e2b342c25b1d78d0f0d0ea77157c9b6d40b2e97ffbf827cd7f9994c39"},"algorithm":"ed25519","canonical":"{…keys sorted, no whitespace…}","signature":"3a1f…64-byte-hex…9c","public_key":"d75a9807...c7e2a1"},"condition_id":"0x178a746e2b342c25b1d78d0f0d0ea77157c9b6d40b2e97ffbf827cd7f9994c39","market_title":"Will the Fed cut rates in September?"}],"wallet":"0x8dab6cf42d7e4d1cd6cca897b9e12a8cbe6d69e8","platform":"polymarket"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.02","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":"$0.02/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_CFlNMkGhIbUJz-uGJ8yrI","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Fetches attested on-chain Polymarket prediction-market trades for a specific wallet address, returning signed trade records with market context.","exampleAgentPrompt":"Pull up the last 10 Polymarket trades for whale wallet 0x8dab6cf42d7e4d1cd6cca897b9e12a8cbe6d69e8 — I want to see which prediction markets they've been betting on and at what prices.","exampleUseCases":[{"title":"Track whale bets before major event","prompt":"Show me the last 20 on-chain Polymarket trades for wallet 0x8dab6cf42d7e4d1cd6cca897b9e12a8cbe6d69e8 — I want to know which markets they're positioning in and whether they're buying YES or NO."},{"title":"Verify insider-like activity on a market","prompt":"I've heard there's a whale that made big moves on the Fed rate cut market — can you pull up all available Polymarket trades for 0x178a746e2b342c25b1d78d0f0d0ea77157c9b6d40b2e97ffbf827cd7f9994c39 and show me the trade sizes and prices?"},{"title":"Research portfolio of a high-scoring wallet","prompt":"I found a wallet with a high Predge score — look up on-chain Polymarket activity for 0x3fca8821d4e5a8c9b7f2d1e6c0b4a9d3e7f1c5b2 and give me up to 50 of their recent prediction-market trades so I can see their strategy."}],"resultDescription":"Returns a JSON object containing a list of attested Polymarket trades for the specified wallet, each including transaction hash, block timestamp, market title, condition ID, trade side (yes/no), price (0–1), size in USD, and a cryptographic ed25519 attestation signature verifying the on-chain data. Also includes total count, chain (polygon), and platform (polymarket).","failureModes":["Wallet address not found or has no Polymarket activity — returns empty trades array","Invalid wallet address format — likely returns 400 or empty result","limit parameter out of range (below 1 or above 50) — may return validation error","Payment failure (x402) — request rejected if USDC micropayment not provided","Polygon RPC or indexer outage — may return 503 or stale data","Wallet has only general crypto flows (not PM trades) — returns empty or filtered-out results per scope"],"whenToPreferThis":"Use this endpoint when you need cryptographically attested, on-chain Polymarket trade records for a specific wallet — particularly when you want to verify whale trading patterns, track insider-like behavior, or analyze a wallet's prediction-market positions with signed provenance. Prefer this over generic blockchain explorers when you need Polymarket-specific trade context (market title, condition ID, YES/NO side) rather than raw token transfers.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T06:48:29.091Z","isFirstParty":false}