{"uid":"cap_ssJ877NgQI1tGdPddwouv","slug":"omnichain-pre-trade-contract-token-verifier-f0d58783","name":"Omnichain Pre-Trade Contract & Token Verifier","description":"7-chain pre-trade smart contract bytecode, SPL/Token-2022 authority & multi-DEX liquidity risk oracle across Base (8453), Solana, Ethereum (1), Arbitrum (42161), Optimism (10), Polygon (137), and BNB Smart Chain (56). Instant x402 v2 settlement in Base USDC or BSC USDC.","url":"https://piggybank.loth2023ys.workers.dev/v1/batch?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"addresses":{"type":"string"}}},"responseSchema":{"type":"json","example":{"count":3,"results":[]}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.2","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":"$0.2/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.2","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.2","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_WNC0E2KI6gTWgpS_ol2oW","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.2","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Verifies smart contract bytecode, SPL/Token-2022 token authority, and multi-DEX liquidity risk across 7 blockchains before a trade is executed","exampleAgentPrompt":"Before I swap into this token, can you run a pre-trade safety check on these contract addresses — 0xabc...123 on Base and So1ana...xyz on Solana — and tell me if there are any contract red flags, suspicious token authority, or thin liquidity across DEXes?","exampleUseCases":[{"title":"Pre-trade rug-pull detection on Base","prompt":"I'm about to buy a new token on Base with contract address 0xd3adb33f... — can you check the bytecode and liquidity risk before I put money in?"},{"title":"SPL token authority check on Solana","prompt":"Can you verify the mint authority and freeze authority for this Solana token at address So11111...abc before I swap into it on Jupiter?"},{"title":"Multi-chain token safety scan for portfolio","prompt":"I have three tokens I'm considering: one on Arbitrum at 0xarb123..., one on Polygon at 0xpoly456..., and one on BNB Chain at 0xbnb789... — can you run a pre-trade contract and liquidity risk check on all three?"}],"resultDescription":"Returns a JSON object with a count of addresses checked and an array of results per address, including contract bytecode analysis, token authority details (mint/freeze controls for SPL tokens), and multi-DEX liquidity risk indicators across the supported chains (Base, Solana, Ethereum, Arbitrum, Optimism, Polygon, BNB Smart Chain).","failureModes":["Invalid or malformed contract/token address returns error in results array","Unsupported chain not among the 7 supported networks may return null or error","Network congestion or RPC unavailability on a specific chain may cause partial results","Empty addresses input returns count 0 with empty results","Payment failure via x402 v2 results in 402 response before processing"],"whenToPreferThis":"Choose this endpoint when you need pre-trade verification across multiple blockchains simultaneously, especially when assessing both EVM-compatible chains (Base, Ethereum, Arbitrum, Optimism, Polygon, BNB Chain) and Solana in a single call. It is particularly valuable for agents executing DeFi trades that need to check for honeypot contracts, suspicious token authority, or insufficient DEX liquidity before committing funds.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-23T12:30:14.379Z","isFirstParty":false,"canonicalSlug":"omnichain-pre-trade-contract-token-verifier-7f77a306"}