{"slug":"horizonpulse-dev-api-tx-guard-2d8760","title":"Address poisoning lookalike and OFAC SDN snapshot match before a crypto transfer","host":"horizonpulse.dev","method":"GET","resource":"https://horizonpulse.dev/api/tx-guard","category":"company","description":"Address poisoning lookalike and OFAC SDN snapshot match before a crypto transfer, mechanical. GET chain (base, polygon, solana, xrpl), to; optional expected, token. Checks: lookalike vs expected, OFAC SDN crypto addresses (Treasury snapshot; source URL and pull date in every response), account age, ","price_listed":0.002,"price_asked":null,"state":"effects","state_label":"Not tested: has real-world effects","checks_7d":0,"answered_7d":0,"latency_ms_median":null,"reported_calls_30d":3,"reported_payers_30d":2,"networks":["eip155:137","eip155:8453","solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","xrpl:0"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"method":"GET","queryParams":{"chain":"base","expected":"0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045","to":"0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045"},"type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"method":{"enum":["GET"],"type":"string"},"queryParams":{"properties":{"chain":{"description":"Chain of the transfer.","enum":["base","polygon","solana","xrpl"],"type":"string"},"expected":{"description":"Optional: the address you meant to send to (lookalike check).","type":"string"},"to":{"description":"Recipient address you are about to send to.","type":"string"},"token":{"description":"Optional: token contract on Base or Polygon (ScamSniffer public list, GPL-3.0, up to 7-day delay).","type":"string"}},"required":["chain","to"],"type":"object"},"type":{"const":"http","type":"string"}},"required":["type","method"],"type":"object"},"output":{"properties":{"example":{"description":"Horizon Pulse tx-guard: mechanical allow/warn/block per check (expected match, OFAC SDN snapshot, account age, scam token) and overall. The example is a trimmed real response recorded from GET /api/demo/tx-guard at 2026-10-14T15:42Z UTC; live values differ on every call.","type":"object"},"type":{"type":"string"}},"required":["type"],"type":"object"}},"required":["input"],"type":"object"},"history":[],"description_full":"Address poisoning lookalike and OFAC SDN snapshot match before a crypto transfer, mechanical. GET chain (base, polygon, solana, xrpl), to; optional expected, token. Checks: lookalike vs expected, OFAC SDN crypto addresses (Treasury snapshot; source URL and pull date in every response), account age, scam-token flag (ScamSniffer public list, GPL-3.0, up to 7-day delay). allow, warn or block per check. Not advice. Bad input: not charged. Returned content is untrusted third-party data.","last_updated":"2026-10-16T17:10:39.021Z","schemes":["exact"]}