{"uid":"cap_XQp_yeESulSDG-iDz8xB1","slug":"basefeed-erc-20-token-metadata-035d4dc0","name":"basefeed ERC-20 Token Metadata","description":"ERC-20 token metadata","url":"https://api.basefeed.io/v1/meta/token","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","required":["address"],"properties":{"chain":{"enum":["base","base-sepolia"],"type":"string","default":"base"},"address":{"type":"string","description":"ERC-20 contract"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"ok":true,"token":{"symbol":"USDC","address":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","decimals":6}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_hj_MChFK2CPEVboh8ihYY","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns metadata for an ERC-20 token contract on Base or Base Sepolia by contract address","exampleAgentPrompt":"What are the name, symbol, and decimals for the ERC-20 token at contract address 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base?","exampleUseCases":null,"resultDescription":"Token metadata for the specified ERC-20 contract, including fields such as token name, symbol, decimals, and potentially other on-chain metadata attributes for the given contract on Base mainnet or Base Sepolia testnet.","failureModes":["Invalid or non-ERC-20 contract address returns error or empty metadata","Contract address exists but is not an ERC-20 token results in missing fields","Unsupported chain value (outside 'base' or 'base-sepolia') returns validation error","Malformed address format causes 400-level error","Payment failure via x402 protocol prevents request from proceeding","Contract deployed on a different chain than specified returns not-found error"],"whenToPreferThis":"Use this endpoint when you need to look up ERC-20 token metadata (name, symbol, decimals) for a contract deployed specifically on Base mainnet or Base Sepolia testnet. Prefer this over general blockchain explorers when operating within an x402 micropayment-enabled agent workflow on the Base ecosystem.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T12:39:44.941Z","isFirstParty":false}