{"uid":"cap_2C9nPsAEj_DssEqgz1d3r","slug":"hearth-token-info-ce132f95","name":"Hearth Token Info","description":"Web page to clean Markdown for AI agents. Pay per call with x402 (USDC on Base).","url":"https://138-197-15-135.sslip.io/v1/base/token-info?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":["queryParams"],"properties":{"queryParams":{"type":"object","required":["address"],"properties":{"chain":{"type":"string","description":"Chain: base (default), ethereum, arbitrum, optimism"},"address":{"type":"string","description":"Token contract"}}}}}}},"responseSchema":{"type":"json","example":{"name":"USD Coin","chain":"base","symbol":"USDC","address":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","decimals":6,"isContract":true,"totalSupply":"…"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.004","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":"$0.004/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.004","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.004","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_hwF-6SNwNw1lgMBDZCUuH","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.004","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Looks up ERC-20 token metadata (name, symbol, decimals, total supply) for a given contract address on EVM chains.","exampleAgentPrompt":"What's the name, symbol, and decimals for the token at contract address 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base?","exampleUseCases":[{"title":"Identify unknown token contract","prompt":"I found this contract address 0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48 on Ethereum — can you tell me what token it is, its symbol, and how many decimals it uses?"},{"title":"Validate token decimals before swap","prompt":"Before I execute this trade, can you confirm the decimals for the token at 0x4200000000000000000000000000000000000042 on Optimism so I don't mess up the amount?"},{"title":"Check total supply of DeFi token","prompt":"Look up the total supply and full metadata for the token at 0x912CE59144191C1204E64559FE8253a0e49E6548 on Arbitrum."}],"resultDescription":"Returns a JSON object with the token's name, symbol, decimals, contract address, chain, whether the address is a contract, and total supply string.","failureModes":["Invalid or non-contract address returns isContract:false or error","Unsupported chain name returns an error","Token contract exists but does not implement standard ERC-20 metadata methods — partial data returned","Network timeout or RPC failure results in 5xx error","Missing required 'address' query parameter returns 4xx validation error"],"whenToPreferThis":"Use this endpoint when you need quick, standardized ERC-20 token metadata (name, symbol, decimals, total supply) for a contract address on Base, Ethereum, Arbitrum, or Optimism, especially in agent pipelines where payment via x402/USDC is acceptable and you want a simple REST lookup without setting up your own RPC node.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-30T19:04:26.858Z","isFirstParty":false,"canonicalSlug":"hearth-token-info-ce132f95"}