{"uid":"cap_gP8H8lPUsKzSDYByEbgQp","slug":"emc2-ai-75c0ec71","name":"EMC2 AI MEV Detection","description":"Detect MEV (Maximal Extractable Value) attacks and sandwich trades. Supported chains: ethereum, base, bsc, arbitrum, polygon. Default chain: ethereum. Required params: none (chain/limit/timeperiod are optional and defaulted).","url":"https://emc2ai.io/x402/bitquery/mevdetection","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"chain":{"enum":["base","ethereum","bsc","arbitrum","polygon","optimism","solana"],"type":"string","description":"Blockchain to query (e.g., base, ethereum, bsc, solana)"},"limit":{"type":"string","description":"Maximum number of results to return (default: 10, max: 500)"},"timeperiod":{"enum":["1h","4h","24h","7d","30d"],"type":"string","description":"Time period for analysis (e.g., 1h, 24h, 7d, 30d)"}}},"responseSchema":{"result":{},"status":"completed","analysis":{}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.6","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":{"p10Cents":"60.0000","medianCents":"60.0000","p90Cents":"60.0000","minCents":"60.0000","maxCents":"60.0000","p95Cents":"60.0000","sampleCount":1,"varies":false,"failureChargeRate":null},"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.6/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.6","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.6","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_mxZHuQZOBKZ0AblxiEpbY","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.6","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Detects MEV (Maximal Extractable Value) attacks and sandwich trades on major EVM chains using on-chain transaction analysis.","exampleAgentPrompt":"Show me recent MEV and sandwich attacks on Arbitrum from the last 24 hours — I want to see which bots are front-running trades and how many transactions were affected.","exampleUseCases":null,"resultDescription":"Returns a list of detected MEV events including sandwich attacks and toxic flow transactions, with details on attacker addresses, victim transactions, affected tokens, and profit extracted — filtered by the requested chain and time period.","failureModes":["Unsupported chain name returns error or empty result","Very short time periods may return no events","Rate limits or payment failures return 402 or 429 status","Network congestion may cause slow response for high-activity chains"],"whenToPreferThis":"Use this endpoint when you need on-chain MEV and sandwich attack detection specifically powered by Bitquery data, covering Ethereum, Base, BSC, Arbitrum, and Polygon. Prefer it over generic blockchain explorers when you need structured MEV event data with attacker/victim attribution.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T13:05:32.046Z","isFirstParty":false}