{"slug":"chain-analyzer-com-api-v1-x402-presign-check-cba16f","title":"Sign-time risk verdict for a destination or spender before value moves","host":"chain-analyzer.com","method":"GET","resource":"https://chain-analyzer.com/api/v1/x402/presign/check","category":"code","description":"Sign-time risk verdict for a destination or spender before value moves. Registry + ScamDB lookups plus at most one RPC call (approve spender code check), so it answers in milliseconds instead of running a full scan. Same verdict as the subscription REST API.","price_listed":0.1,"price_asked":0.1,"state":"answering","state_label":"Answering","checks_7d":1,"answered_7d":1,"latency_ms_median":502,"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","queryParams":{"chain":"ethereum","to":"0x0000db5c8b030ae20308ac975898e09741e70000"},"type":"http"},"output_schema":{"properties":{"input":{"properties":{"queryParams":{"properties":{},"type":"object"}}},"output":{"properties":{"example":{}}}}},"history":[{"day":"2026-09-24","reachable":true,"status":402,"valid_402":true,"asked_usdc":0.1,"price_match":true,"latency_ms":502,"error":null}],"description_full":"Sign-time risk verdict for a destination or spender before value moves. Registry + ScamDB lookups plus at most one RPC call (approve spender code check), so it answers in milliseconds instead of running a full scan. Same verdict as the subscription REST API.","last_updated":"2026-09-18T17:16:25.783Z","schemes":["exact"]}