{"uid":"cap_y-H3LOmnwlB2FkFHPOtDm","slug":"verigrace-contract-gate-9a624e5f","name":"VeriGrace Contract Gate","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: Blockscout + Base RPC (public data only).","url":"https://api.verigrace.com:4451/api/contract-gate?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":null,"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.25","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":"$0.25/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.25","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.25","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_f9ziBse6B45f8HgLxAk81","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.25","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Performs static analysis of Solidity smart contracts on Base, returning a pass/fail safety verdict and checklist of red flags before trading or interacting with the contract.","exampleAgentPrompt":"Before I trade this token, run a pre-trade safety check on the contract at 0xAbC123... on Base — I want to know if it passes and whether there are any reentrancy, rug pull, or owner privilege red flags.","exampleUseCases":[{"title":"DeFi token safety check before swap","prompt":"I'm about to buy this token on Base — can you run a contract safety audit on 0x4e2a3bd9D9a1... and tell me if it passes and what red flags show up, especially rug vectors or shady owner controls?"},{"title":"NFT contract audit before minting","prompt":"I want to mint from this NFT project but I'm not sure if the contract is legit — can you check 0x7f8c2D00B... on Base for reentrancy issues, unchecked calls, or anything else that looks dangerous?"},{"title":"DeFi protocol pre-investment due diligence","prompt":"Before I put any money into this new DeFi protocol, run a static analysis on their contract at 0x91aF55eC... and give me a pass or fail verdict along with the full checklist of security issues."}],"resultDescription":"A pass/fail verdict indicating whether the contract meets safety thresholds, accompanied by a structured red flag checklist covering: reentrancy vulnerabilities, unchecked external calls, owner privilege abuse vectors, delegatecall usage, oracle single-point-of-failure risks, rug pull vectors, and contract age — all derived from verified Solidity source and on-chain metadata.","failureModes":["Contract address not found on Base — returns error if contract does not exist on-chain","Unverified source — analysis may be incomplete if Solidity source is not verified on Blockscout","Network/RPC unavailability — Base RPC outages may cause timeouts","Payment failure — transaction rejected if 0.25 USDC not successfully sent via x402","Invalid contract address format — returns validation error for malformed addresses"],"whenToPreferThis":"Choose VeriGrace Contract Gate when you need a fast, automated pre-trade security screening of a specific smart contract on Base before a user interacts with or invests in it. It is ideal for AI trading agents, DeFi wallets, and portfolio tools that need a lightweight, pay-per-check gate rather than a full manual audit. Prefer this over general-purpose code scanners when you need on-chain metadata combined with static Solidity analysis in a single API call, and when operating on the Base network specifically.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-13T00:39:18.949Z","isFirstParty":false,"canonicalSlug":"verigrace-contract-gate-9a624e5f"}