{"slug":"chain-analyzer-com-api-v1-x402-address-address-poisoning-che-04fe22","title":"Is this destination a lookalike of an address the sender already trusts?","host":"chain-analyzer.com","method":"GET","resource":"https://chain-analyzer.com/api/v1/x402/address/:address/poisoning-check","category":"market","description":"Is this destination a lookalike of an address the sender already trusts? Applies the address-poisoning similarity rule (leading and trailing characters that wallet UIs abbreviate to) between one destination and a caller-supplied list of known-good addresses. Pure string comparison when `known` is gi","price_listed":0.05,"price_asked":null,"state":"needs_input","state_label":"Needs input the listing does not give","checks_7d":0,"answered_7d":0,"latency_ms_median":null,"reported_calls_30d":1,"reported_payers_30d":1,"networks":["eip155:8453","solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"method":"GET","pathParams":{"schema":{"address":"string"}},"queryParams":{"chain":"ethereum","known":"0x28c6c06298d514db089934071355e5743bf21d60"},"type":"http"},"output_schema":{"properties":{"input":{"properties":{"queryParams":{"properties":{"address":{"type":"string"}},"type":"object"}}},"output":{"properties":{"example":{}}}}},"history":[{"day":"2026-09-24","reachable":false,"status":null,"valid_402":false,"asked_usdc":null,"price_match":null,"latency_ms":null,"error":"needs_input:address"}],"description_full":"Is this destination a lookalike of an address the sender already trusts? Applies the address-poisoning similarity rule (leading and trailing characters that wallet UIs abbreviate to) between one destination and a caller-supplied list of known-good addresses. Pure string comparison when `known` is given, so it answers in milliseconds and never runs a scan.","last_updated":"2026-09-18T17:58:55.532Z","schemes":["exact"]}