{"uid":"cap_ZzRS3lAsi0zBtLohXwrtH","slug":"nexusapi-crypto-contract-verifier-3a2182c6","name":"NexusAPI Crypto Contract Verifier","description":"Crypto, AI, Social Media, Finance, Weather, Tools & more. Pay per call in USDC on Base. No API keys.","url":"https://nexus-api-virid.vercel.app/api/crypto/contract/verify","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"query":{"type":"string","description":"Search query or input parameter"}}},"responseSchema":{"type":"object","description":"API response data"},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.059076","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":"$0.059076/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.059076","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.059076","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_J0dLoxYYEv4Cv17C5Jebq","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.059076","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Verifies smart contract details or legitimacy on a blockchain given a contract address or identifier","exampleAgentPrompt":"Can you verify whether the smart contract at address 0x1234567890abcdef1234567890abcdef12345678 is legitimate and verified on-chain before I interact with it?","exampleUseCases":[{"title":"DeFi protocol safety check","prompt":"Before I provide liquidity to this DeFi pool, can you verify the smart contract at 0xabcdef1234567890abcdef1234567890abcdef12 to make sure it's a verified and legitimate contract?"},{"title":"Token contract validation before purchase","prompt":"I'm about to buy a new token but I want to make sure the contract 0x9876543210fedcba9876543210fedcba98765432 is verified and not a scam — can you check it?"},{"title":"NFT mint contract audit","prompt":"Can you verify the smart contract behind this NFT project at address 0xdeadbeefdeadbeefdeadbeefdeadbeefdeadbeef so I know it's safe to mint from?"}],"resultDescription":"Returns verification status and metadata about the queried smart contract, including whether the contract is verified, any flags indicating legitimacy or risk, and relevant contract details such as source code verification status or audit information.","failureModes":["Invalid or malformed contract address returns an error","Contract not found on the queried chain returns empty or null result","Network timeouts if blockchain node is unresponsive","Unverified contracts may return partial data without source code confirmation","Rate limiting or payment failure via x402 protocol"],"whenToPreferThis":"Use this endpoint when you need a quick, pay-per-call contract verification without managing API keys, especially useful for AI agents operating autonomously in Web3 workflows that need to validate contract legitimacy before executing transactions.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T07:03:21.461Z","isFirstParty":false}