{"uid":"cap_ldrlHYlhRnrb2TWF9VI-J","slug":"erc-20-token-balance-lookup-europe-hub-c6145eb2","name":"ERC-20 Token Balance Lookup (Europe Hub)","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://kollmz.site: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_8To80IQj6LPiSS0H3HQ5X","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 the ERC-20 token balance for a given wallet address on Base or Ethereum, paid per-call via USDC on Base using x402.","exampleAgentPrompt":"What's the USDC balance for wallet 0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045 on Base — use contract address 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913?","exampleUseCases":[{"title":"DeFi portfolio balance check","prompt":"Can you look up how much USDC wallet 0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045 holds on Base using token contract 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913?"},{"title":"Verify wallet has enough tokens","prompt":"Check if 0xAb5801a7D398351b8bE11C439e05C5B3259aeC9B has at least 100 USDC on Ethereum — the USDC contract is 0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48."},{"title":"On-chain airdrop eligibility check","prompt":"I need to check the token balance of 0x1234567890abcdef1234567890abcdef12345678 for our governance token at contract 0xdeadbeefdeadbeefdeadbeefdeadbeefdeadbeef on Base — can you pull that for me?"}],"resultDescription":"Returns a JSON object containing the human-readable token balance (e.g. '12.5'), the raw integer balance (e.g. '12500000'), the token symbol (e.g. 'USDC'), and the number of decimals (e.g. 6). All fields are derived directly from on-chain data for the specified contract and wallet address.","failureModes":["Invalid or malformed EVM wallet address returns an error response","Unknown or non-ERC-20 contract address may return zero balance or an error","Unsupported chain value (not 'base' or 'ethereum') results in a validation error","Payment failure or insufficient USDC for x402 fee results in 402 Payment Required","Network or RPC downtime may cause timeout or server error","Address with no token holdings returns a balance of '0' with raw '0'"],"whenToPreferThis":"Choose this endpoint when you need a no-account, no-API-key way to fetch an ERC-20 token balance on Base or Ethereum and are comfortable paying $0.002 USDC per call via x402. It is ideal for agents that need lightweight, pay-as-you-go on-chain balance lookups without managing API subscriptions or node infrastructure. Prefer it for one-off or low-frequency queries; for high-volume batch lookups, a dedicated RPC provider may be more cost-effective.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-27T12:36:13.486Z","isFirstParty":false,"canonicalSlug":"erc-20-token-balance-lookup-europe-hub-c6145eb2"}