{"uid":"cap_xVV4zbyOjmFTZVjF5a_MQ","slug":"vextorium-nft-collection-on-chain-profile-165696e4","name":"Vextorium NFT Collection On-Chain Profile","description":"558 pay-per-call data APIs for AI agents: Solana and EVM on-chain data, tokenized stocks, DeFi, Hyperliquid, economy and official statistics, FX, validation, web and developer tools. Pay in USDC via x402.","url":"https://api.vextorium.com/v1/nft-collection?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"network":{"enum":["base","ethereum","arbitrum","optimism","polygon"],"type":"string"},"contract":{"type":"string"}}},"responseSchema":{"type":"json","example":{"name":"BoredApeYachtClub","supply":10000,"symbol":"BAYC","network":"ethereum","contract":"0xBC4CA0EdA7647A8aB7C2061c2E118A18a936f13D","standard":"ERC-721","contract_owner":"0x0000000000000000000000000000000000000000"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.004","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":"$0.004/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.004","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.004","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_LSIQ3YzSILnf0k9sIhMFj","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.004","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Fetches on-chain metadata for an NFT collection (ERC-721/1155) including name, symbol, total supply, contract owner, royalties, and token standard from Base, Ethereum, Arbitrum, Optimism, or Polygon.","exampleAgentPrompt":"Look up the on-chain profile of the NFT collection at contract address 0xBC4CA0EdA7647A8aB7C2061c2E118A18a936f13D on Ethereum — I want to know its name, symbol, total supply, owner, royalties, and whether it's ERC-721 or ERC-1155.","exampleUseCases":[{"title":"Verify NFT collection legitimacy","prompt":"Can you pull the on-chain details for the NFT contract 0xBC4CA0EdA7647A8aB7C2061c2E118A18a936f13D on Ethereum? I want to confirm the owner address, token standard, and total supply before I make a purchase."},{"title":"Check royalty settings before resale","prompt":"What royalties does the NFT collection at 0x49cF6f5d44E70224e2E23fDcdd2C053F30aDA28B on Polygon charge? I need the royalty percentage and standard before listing on a marketplace."},{"title":"Audit NFT contract on Base chain","prompt":"Give me the full on-chain profile for the NFT contract 0xd4307e0acD12CF46fD6cf93BC264f5d5D1598792 deployed on Base — name, symbol, owner, supply, and token standard."}],"resultDescription":"Returns a JSON object with the collection's name, ticker symbol, total supply (integer), contract address, blockchain network, token standard (ERC-721 or ERC-1155), and the contract owner's wallet address, all read directly from the on-chain contract.","failureModes":["Invalid or non-existent contract address returns an error or null fields","Unsupported network (not one of base, ethereum, arbitrum, optimism, polygon) returns a validation error","Contract does not implement ERC-2981 royalty standard — royalty fields may be null","Contract is not an NFT (ERC-721/1155) — may return incomplete or null metadata","Network RPC timeout or chain congestion causes slow or failed response"],"whenToPreferThis":"Use this endpoint when you need authoritative, real-time on-chain data about an NFT collection directly from the smart contract rather than from a marketplace API or third-party index. Best for verifying contract ownership, checking royalty configurations, or confirming the token standard (ERC-721 vs ERC-1155) across Base, Ethereum, Arbitrum, Optimism, or Polygon.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-19T12:45:59.421Z","isFirstParty":false,"canonicalSlug":"vextorium-nft-collection-on-chain-profile-9f1b2db4"}