{"uid":"cap_cU1r6fEhYtSHLLoE8AgNZ","slug":"vextorium-erc-20-token-profile-lookup-275c7f4b","name":"Vextorium ERC-20 Token Profile Lookup","description":"ERC-20 token profile read directly from the contract on Base or Ethereum: name, symbol, decimals, total supply, bytecode size and whether it is an upgradeable EIP-1967 proxy (with implementation address).","url":"https://api.vextorium.com/info-token-pago?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method","bodyType","body"],"properties":{"body":{"required":["contrato"],"properties":{"red":{"enum":["base","ethereum"],"type":"string"},"contrato":{"type":"string","description":"Token contract address"}}},"type":{"type":"string","const":"http"},"method":{"enum":["POST"],"type":"string"},"bodyType":{"enum":["json","form-data","text"],"type":"string"}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","properties":{"red":{"type":["string","null"]},"nota":{"type":["string","null"]},"nombre":{"type":["string","null"]},"simbolo":{"type":["string","null"]},"contrato":{"type":["string","null"]},"decimales":{"type":["number","null"]},"explorador":{"type":["string","null"]},"implementacion":{"type":["string","null"]},"tamano_bytecode":{"type":["number","null"]},"suministro_total":{"type":["number","null"]},"es_proxy_actualizable":{"type":["boolean","null"]}}}}}}},"responseSchema":{"type":"json","example":{"nombre":"USD Coin","simbolo":"USDC","decimales":6,"suministro_total":4307231240.15,"es_proxy_actualizable":false}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"registry","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_LjJP9w1XXG2syZ2uDFZGH","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Reads ERC-20 token metadata directly from the contract on Base or Ethereum, returning name, symbol, decimals, total supply, bytecode size, and EIP-1967 proxy/upgradeability info.","exampleAgentPrompt":"Can you look up the on-chain profile for the ERC-20 token at contract address 0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48 on Ethereum — I need the name, symbol, decimals, total supply, bytecode size, and whether it's an upgradeable proxy?","exampleUseCases":[{"title":"Verify unknown token contract before trading","prompt":"Before I swap into this token, can you pull the on-chain details for contract 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base — give me the name, symbol, decimals, and whether it's a proxy contract?"},{"title":"Audit proxy upgradeability of a DeFi token","prompt":"I need to know if the token at 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2 on Ethereum is an upgradeable EIP-1967 proxy — if it is, what's the implementation address?"},{"title":"Populate token metadata for a portfolio tracker","prompt":"Can you fetch the full on-chain metadata for the ERC-20 at 0x4200000000000000000000000000000000000006 on Base — I need name, symbol, decimals, and total supply to add it to my portfolio tracker?"}],"resultDescription":"Returns a JSON object with the token's on-chain name, symbol, decimals, total supply (as a number), bytecode size, a boolean indicating whether it is an EIP-1967 upgradeable proxy, the implementation address if applicable, the network name, a block explorer URL for the contract, and an optional note field.","failureModes":["Invalid or non-existent contract address returns null fields or an error","Contract address is not an ERC-20 token (e.g. EOA or non-token contract) — fields like name/symbol may be null","Unsupported network value (not 'base' or 'ethereum') causes a validation error","Network congestion or RPC unavailability may cause timeouts","Non-checksummed or malformed address may cause a parsing error"],"whenToPreferThis":"Use this endpoint when you need authoritative, on-chain ERC-20 token metadata read directly from the contract — not from a third-party aggregator that may be stale or inaccurate. Especially useful for verifying upgradeability (EIP-1967 proxy detection) and getting the actual implementation address, which most token APIs do not expose. Best for Base and Ethereum; choose a different endpoint for other EVM chains.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T04:34:00.477Z","isFirstParty":false,"canonicalSlug":"vextorium-erc-20-token-profile-lookup-275c7f4b"}