{"slug":"api-verigrace-com-4451-api-contract-gate-c38591","title":"Pre-trade contract safety gate","host":"api.verigrace.com","method":"GET","resource":"https://api.verigrace.com:4451/api/contract-gate","category":"market","description":"Pre-trade contract safety gate: static analysis of verified Solidity source + on-chain metadata. Returns pass/fail verdict + red flag checklist (reentrancy, unchecked calls, owner privs, delegatecall, oracle single-point, rug vectors, age). Pay-per-check: 0.25 USDC on Base via x402. Source: Blocksco","price_listed":0.25,"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":1,"reported_payers_30d":1,"networks":["base"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"method":"GET","queryParams":{"address":"required: 0x contract address to check","txType":"optional: approve, swap, or permit (contextualizes risk)"},"type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"properties":{"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object"},"type":{"const":"http","type":"string"}},"required":["type","method"],"type":"object"}},"required":["input"],"type":"object"},"history":[],"description_full":"Pre-trade contract safety gate: static analysis of verified Solidity source + on-chain metadata. Returns pass/fail verdict + red flag checklist (reentrancy, unchecked calls, owner privs, delegatecall, oracle single-point, rug vectors, age). Pay-per-check: 0.25 USDC on Base via x402. Source: Blockscout + Base RPC (public data only).","last_updated":"2026-09-23T15:11:22.509Z","schemes":["exact"]}