{"uid":"cap_LLyDLfQeTEpAgHF3k9l29","slug":"defi-shield-hazel-vercel-app-ae8b20a8","name":"DeFi Shield Mempool MEV Scanner","description":"","url":"https://defi-shield-hazel.vercel.app/api/mev/mempool-scan","method":"POST","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","bodyType","body","method"],"properties":{"body":{"properties":{"chain":{"type":"string","description":"Chain (default: base)"},"token_address":{"type":"string","description":"Token address to scan mempool for"}}},"type":{"type":"string","const":"http"},"method":{"enum":["POST"],"type":"string"},"bodyType":{"enum":["json","form-data","text"],"type":"string"}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.5","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":"$0.5/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.5","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.5","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_GG358ydfeXKGRnmVbSaOH","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.5","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Scans recent mempool transactions for a token to detect large pending trades and MEV (Maximal Extractable Value) activity","exampleAgentPrompt":"Scan the mempool for MEV activity and large pending trades on token 0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48 — I want to know if there are any sandwich attacks or frontrunning bots targeting it right now.","exampleUseCases":null,"resultDescription":"Returns a structured report of recent mempool activity for the specified token, including detected large pending trades, identified MEV bot activity, sandwich attack signals, frontrunning indicators, and relevant transaction metadata such as gas prices and trade sizes.","failureModes":["Invalid or unrecognized token address returns error","Token has no recent mempool activity, resulting in empty results","Mempool data provider unavailable or rate-limited","Network congestion causing stale or incomplete mempool snapshot","Unsupported chain or token standard"],"whenToPreferThis":"Use this endpoint when you need real-time detection of MEV activity and large pending trades for a specific DeFi token before executing a swap or analyzing market conditions. Prefer this over generic blockchain explorers when you specifically need mempool-level (pre-confirmation) data and MEV pattern recognition rather than confirmed transaction history.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T00:39:29.344Z","isFirstParty":false}