{"uid":"cap_nIYJXkX9yDbpw79GKJc6Q","slug":"erc-20-token-balance-lookup-x402-europe-0bf0fc4b","name":"ERC-20 Token Balance Lookup (x402, Europe)","description":"Pay-per-call website uptime/latency/TLS checks and fetch-to-Markdown, measured from Hub Europe (Germany). USDC on Base via x402. No account or API key.","url":"https://dex12345.ccwu.cc:8443/v1/chain/erc20-balance?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","required":["chain","token","address"],"properties":{"chain":{"type":"string","example":"base","description":"base or ethereum"},"token":{"type":"string","example":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","description":"ERC-20 contract address"},"address":{"type":"string","example":"0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045","description":"0x EVM address"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"raw":"12500000","symbol":"USDC","balance":"12.5","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_dMVYi4hkI290fwN6XxMAa","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":"Fetches the ERC-20 token balance for a given wallet address and token contract on Base or Ethereum, paid per-call via x402/USDC.","exampleAgentPrompt":"What's the USDC balance (contract 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913) for wallet 0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045 on Base?","exampleUseCases":[{"title":"Verify DeFi wallet token holdings","prompt":"Check how much USDC the wallet 0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045 holds on Base — the USDC contract is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913."},{"title":"Monitor treasury ERC-20 balance","prompt":"What's the current balance of token 0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48 (USDC on Ethereum) for our treasury address 0x1234567890abcdef1234567890abcdef12345678?"},{"title":"Confirm airdrop recipient holdings","prompt":"Before we proceed, confirm whether wallet 0xAbCd1234567890abcdef1234567890AbCdEf1234 actually holds any of the token at contract 0x6B175474E89094C44Da98b954EedeAC495271d0F on Ethereum."}],"resultDescription":"A JSON object containing the token balance as a human-readable decimal string (e.g. '12.5'), the raw integer balance, the token symbol, and the number of decimals used by the contract.","failureModes":["Invalid EVM address format returns an error response","Unsupported chain value (not 'base' or 'ethereum') causes a validation failure","Invalid or non-ERC-20 contract address may return zero or an error","Payment failure via x402 results in a 402 Payment Required response","Network or node timeout may cause delayed or failed responses"],"whenToPreferThis":"Choose this endpoint when you need a quick, no-account ERC-20 balance lookup on Base or Ethereum and are comfortable paying $0.002 USDC per call via x402. Ideal for agents that need onchain token data without setting up an RPC provider or API key, especially in automated workflows where micropayment-based access is acceptable.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-27T06:45:18.847Z","isFirstParty":false,"canonicalSlug":"erc-20-token-balance-lookup-x402-europe-0bf0fc4b"}