{"uid":"cap_wlZK-Ifrbz5HfKQitRrgl","slug":"mev-exposure-detector-06f5e0b5","name":"MEV Exposure Detector","description":"Detects sandwich attacks and frontrunning by scanning block-level trade ordering.","url":"https://mevdetector.hergertsynthora.com/service","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"input":{"type":"string","description":"TX hash or wallet address"}}},"responseSchema":{"type":"object","properties":{"ok":{"type":"boolean"},"niche":{"type":"string"},"result":{"type":"object"}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","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":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_QR0B-9CySpaIVBWXC5NQb","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Detects MEV attacks (sandwich attacks, frontrunning, backrunning) on DEX swap transactions by scanning block-adjacent transactions and returning a signed exposure signal.","exampleAgentPrompt":"Can you check if this Base chain transaction was sandwich attacked or frontrun: 0x3a9f21c8b47d0e9d2fbc34a1e056c78d9e1234567890abcdef1234567890abcd?","exampleUseCases":null,"resultDescription":"Returns a signed MEV exposure signal with one of four classifications: no_swap, swap_exposed, frontrun_risk, or sandwich — along with an Ed25519 signature attesting to the result's authenticity.","failureModes":["Invalid or malformed transaction hash returns an error","Transaction not found on the specified chain","Unsupported chain identifier provided","Network timeout when scanning block-adjacent transactions","Transaction is not a DEX swap (returns no_swap signal)"],"whenToPreferThis":"Use this endpoint when you need to quickly classify whether a specific DEX swap transaction was exposed to MEV attacks, particularly sandwich attacks, frontrunning, or backrunning. Prefer this over general block explorers when you need a structured, signed signal for programmatic consumption rather than raw transaction data.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T12:36:28.104Z","isFirstParty":false}