{"uid":"cap_FMSVhELK2Hi1Ej1YqUJTE","slug":"vextorium-erc-20-token-info-610b8ccb","name":"Vextorium ERC-20 Token Info","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/erc20-token-info?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"network":{"enum":["base","ethereum"],"type":"string"},"contract":{"type":"string","description":"Token contract address"}}},"responseSchema":{"type":"json","example":{"name":"USD Coin","symbol":"USDC","decimals":6,"total_supply":4307231240.15,"is_upgradeable_proxy":false}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","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":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_8-6VaUsS27U2o7MafasHX","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Reads ERC-20 token metadata (name, symbol, decimals, total supply, proxy status) directly from a contract on Base or Ethereum.","exampleAgentPrompt":"Can you pull the on-chain details for the USDC token contract 0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48 on Ethereum — I need the name, symbol, decimals, total supply, and whether it's an upgradeable proxy?","exampleUseCases":[{"title":"Verify stablecoin contract before integration","prompt":"Before we integrate this token into our app, can you look up the contract 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base and confirm its name, symbol, decimals, and whether it's an upgradeable proxy?"},{"title":"Audit unknown token from a wallet transaction","prompt":"I just received a token transfer from contract 0x6B175474E89094C44Da98b954EedeAC495271d0F on Ethereum — what token is this exactly, how many decimals does it have, and what's its total supply?"},{"title":"Check if DeFi token uses upgradeable proxy","prompt":"Is the token at contract address 0x4200000000000000000000000000000000000006 on Base an upgradeable EIP-1967 proxy? If so, what's the implementation address?"}],"resultDescription":"A JSON object containing the token's on-chain name, symbol, decimal places, total supply (as a human-readable number), and a boolean indicating whether the contract is an upgradeable EIP-1967 proxy — plus the implementation address if it is one.","failureModes":["Contract address does not exist on the specified network — returns null fields or error","Address provided is not an ERC-20 token contract (e.g. an EOA or a non-token contract) — fields may be null","Wrong network specified (e.g. contract is on Ethereum but Base was requested) — returns empty or null data","Malformed contract address (not a valid EVM hex address) — validation error","Network RPC timeout or congestion — request may fail or return partial data"],"whenToPreferThis":"Use this endpoint when you need authoritative, on-chain ERC-20 token metadata directly from the contract rather than relying on off-chain token lists or price aggregators. It is especially valuable for verifying unknown tokens, auditing contracts before integration, or checking whether a token is upgradeable — particularly on Base or Ethereum mainnet.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-15T12:37:53.837Z","isFirstParty":false,"canonicalSlug":"vextorium-erc-20-token-info-610b8ccb"}