{"uid":"cap_P94oMcaH5E1mwRqcIi44D","slug":"phantom-api-base-token-metadata-b19b32d3","name":"Phantom API — Base Token Metadata","description":"Lightning-fast access to blockchain data, smart contract insights, and Web3 infrastructure across 57+ networks. Pay-per-call via x402.","url":"https://phantom-api-omega.vercel.app/api/base/token/metadata?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"contractAddress":{"type":"string"}}},"responseSchema":null,"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_crB6JF5Cp6l9PofvniZ-z","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":"Retrieves on-chain token metadata for a given contract address on the Base network","exampleAgentPrompt":"Can you pull the token metadata for the contract 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base — I want to know the name, symbol, and decimals.","exampleUseCases":[{"title":"Identify unknown DeFi token","prompt":"I found this contract address on Base: 0x4200000000000000000000000000000000000006 — can you tell me what token it is, its symbol, and how many decimals it uses?"},{"title":"Validate token before swap","prompt":"Before I swap into this token, can you look up the on-chain metadata for contract 0x50c5725949A6F0c72E6C4a641F24049A917DB0Cb on Base so I can confirm it's the right asset?"},{"title":"Enrich portfolio tracker with token info","prompt":"I'm building a portfolio dashboard and need the name, symbol, and decimals for these Base token contracts — can you start with 0x2Ae3F1Ec7F1F5012CFEab0185bfc7aa3cf0DEc22?"}],"resultDescription":"Returns on-chain metadata for the specified Base network token contract, typically including the token name, symbol, and decimal precision as stored in the smart contract.","failureModes":["Invalid or malformed contract address returns an error","Contract address does not correspond to a token contract (e.g. a non-ERC-20 contract) may return empty or error","Network unavailable or RPC issues may cause timeout","Payment failure via x402 protocol results in 402 response and no data returned","Contract deployed on a different network (not Base) will not return valid metadata"],"whenToPreferThis":"Choose this endpoint when you need fast, pay-per-call token metadata specifically on the Base network without needing a subscription or API key. Ideal for agents that need lightweight, on-demand token lookups (name, symbol, decimals) for a specific contract address without pulling full indexer data.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-12T18:50:47.908Z","isFirstParty":false,"canonicalSlug":"phantom-api-base-token-metadata-b19b32d3"}