{"uid":"cap_VuiHvRQxzm-FfKhRAE-vg","slug":"api-vibe-airforce-68fc1724","name":"Nansen Who-Bought-Sold Token Analysis","description":"Nansen blockchain analytics — 44 endpoints (smart money, profiler, TGM, perps, indicators)","url":"https://api.vibe.airforce/api/x402/vibe-tools/data-provider/nansen/who-bought-sold","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"payload":{"type":"object","description":"Nansen query parameters (chains, token_address, walletAddress, etc.)"}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.06","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":"$0.06/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.06","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.06","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_Y1gDZ6JC-XkU6f-va5-o6","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.06","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns Nansen on-chain data identifying which wallets (and wallet labels) bought or sold a specific token, enabling smart money flow analysis","exampleAgentPrompt":"Who has been buying and selling $ARB recently? I want to see which Nansen-labeled smart money wallets are accumulating or distributing it.","exampleUseCases":[{"title":"Detect institutional exit from emerging tokens","prompt":"Check which VC funds and institutional wallets have been dumping this new token over the past week. I need to know if the smart money is still holding or bailing out."},{"title":"Track whale accumulation patterns during dips","prompt":"Show me which whale and smart money wallets bought the dip on $SOL in the last 24 hours. I want to see if the big players are loading up or staying on the sidelines."},{"title":"Identify coordinated smart money movements","prompt":"Pull up all the Nansen-labeled smart money wallets that bought or sold $ETH in the last 48 hours. Help me understand if there's coordinated accumulation or if they're all taking profits at the same time."}],"resultDescription":"Returns a structured dataset of wallet addresses and their Nansen labels (e.g. 'Smart Money', 'DEX Trader', 'Fund') that have bought or sold the specified token, along with transaction details such as amounts and timing, sourced from Nansen's on-chain intelligence layer.","failureModes":["Unknown or unsupported token contract address returns empty or error response","Network not supported by Nansen returns no data","Malformed request body returns 400-level error","Payment not processed or x402 auth failure returns 402","Rate limiting or upstream Nansen API unavailability returns 503"],"whenToPreferThis":"Use this endpoint when you need to identify specific wallet identities (with Nansen labels) behind buying and selling activity for a token — especially for detecting smart money accumulation or distribution. Prefer over generic DEX trade data endpoints when wallet labeling and classification (e.g. 'Smart Money', 'VC Fund', 'DEX Trader') is required to interpret who is moving a token.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T00:45:03.742Z","isFirstParty":false}