{"uid":"cap_FFFJjB3qQEUK2s9MSbcY1","slug":"unprice-token-lookup-base-erc-20-token-info-by-address-9bf94fac","name":"unprice Token Lookup — Base ERC-20 Token Info by Address","description":"Tiny paid web services for agents. Pay per request with USDC on Base via x402, plus non-x402 Base USDC tx-hash checkouts for Merchant Feed Audit, Base USDC receipts, and recent wallet statements.","url":"https://volkov.evgeny.m2.fvds.ru/pay/token?utm_source=zero.xyz","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"],"type":"string"},"queryParams":{"type":"object","properties":{"address":{"type":"string"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"name":"USD Coin","symbol":"USDC","address":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","network":"base","decimals":6}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","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":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_acrgiOFTG65TgADm2sMRi","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns on-chain ERC-20 token metadata (name, symbol, address, network, decimals) for a given token address on the Base network, paid per-request via USDC on Base using x402.","exampleAgentPrompt":"Look up the token metadata for the contract address 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base — I need its name, symbol, and how many decimals it uses.","exampleUseCases":[{"title":"Identify unknown Base token contract","prompt":"I found this contract address on Base: 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 — can you tell me what token it is, its symbol, and how many decimal places it has?"},{"title":"DeFi integration token decimals check","prompt":"Before I build a swap integration, can you fetch the decimals and symbol for this ERC-20 token at 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base so I format amounts correctly?"},{"title":"Portfolio tracker token enrichment","prompt":"I'm tracking a wallet on Base that holds a token at address 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 — what's the full name and symbol of that token?"}],"resultDescription":"A JSON object containing the token's full name, ticker symbol, contract address, network (e.g. 'base'), and decimal precision (e.g. 6 for USDC). Example: {name: 'USD Coin', symbol: 'USDC', address: '0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913', network: 'base', decimals: 6}.","failureModes":["Invalid or non-existent contract address returns an error or empty result","Address not on Base network may return wrong or no data","Payment failure via x402 (insufficient USDC balance) blocks the request","Network timeout or server unavailability on the host domain","Non-ERC-20 contract address may return malformed or incomplete metadata"],"whenToPreferThis":"Choose this endpoint when you need lightweight, pay-per-request ERC-20 token metadata resolution on the Base network without committing to a full RPC node subscription or heavy blockchain indexer. Ideal for agents that occasionally need to enrich a contract address with human-readable token info (name, symbol, decimals) and want micropayment billing via USDC on Base (x402 protocol) rather than API keys or subscriptions.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-23T00:55:21.294Z","isFirstParty":false,"canonicalSlug":"unprice-token-lookup-base-erc-20-token-info-by-address-9bf94fac"}