{"uid":"cap_Z0d2qK7I0i0ZXAkKABvWe","slug":"address-poisoning-look-alike-detector-e25ff4c7","name":"Address Poisoning Look-alike Detector","description":"Before sending funds, check if the recipient is an address-poisoning look-alike. Give us the recipient and your known/intended addresses; we flag when the recipient shares the displayed head AND tail of one you know but differs in the middle — the exact signature of a poisoning attack that fools copy-paste. Deterministic, no LLM, no external calls. Answers an agent's question 'is this really the address I mean?'","url":"https://x402.dailyelo.com/v1/address-poison-check?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"recipient":{"type":"string","description":"0x EVM address you are about to send to"},"known_addresses":{"type":"array","items":{"oneOf":[{"type":"string"},{"type":"object","required":["address"],"properties":{"label":{"type":"string"},"address":{"type":"string"}}}]},"description":"addresses you trust; each is a 0x string or {address,label}"}}},"responseSchema":{"type":"json","example":{"matches":[{"mimics":"0x1234bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb5678","relation":"lookalike","shared_prefix":4,"shared_suffix":4}],"verdict":"poisoning_suspected","recipient":"0x1234aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa5678","confidence":1,"risk_flags":["lookalike_of_known_address"],"action_hint":"do_not_send"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","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":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_TzQhZSclbrcFCLvgMwaGt","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Checks whether a recipient EVM address is a poisoning look-alike of any known/trusted address by comparing head and tail segments","exampleAgentPrompt":"Before I send those funds, check if 0xA9D1e08C7793af67e9d92fe308d5697FB81d3E43 is an address-poisoning look-alike of any of my trusted wallets: 0xA9D1e08C7793af67e9d92fe308d5697FB81d3E43 is my exchange and 0xDead000000000000000042069420694206942069 is my cold wallet.","exampleUseCases":null,"resultDescription":"Returns a determination of whether the recipient address is a look-alike poisoning attack — flagging when it shares the displayed head and tail characters of a known address but differs in the middle bytes, along with which trusted address it resembles.","failureModes":["Recipient address is not a valid 0x EVM address — returns validation error","known_addresses array is empty or missing — check may still run but has nothing to compare against","Recipient address is valid and unique with no poisoning detected — returns safe result","Malformed address strings in known_addresses — may return parse error"],"whenToPreferThis":"Use this endpoint specifically when an AI agent is about to authorize a crypto transfer and needs to verify the recipient address has not been substituted by an address-poisoning attack. It is deterministic (no LLM, no external calls), making it reliable and fast for pre-send safety checks. Prefer it over generic blacklist checks when the threat model is copy-paste substitution of visually similar addresses rather than known-bad addresses.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-12T12:34:30.504Z","isFirstParty":false,"canonicalSlug":"address-poisoning-look-alike-detector-e25ff4c7"}