{"uid":"cap_LMy8J0QhZkP_qA6WCWZ7a","slug":"erc-20-token-balance-lookup-base-ethereum-germany-hub-1ae3b5dc","name":"ERC-20 Token Balance Lookup (Base/Ethereum, Germany 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://owlorangejuice.bar: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_I-BcMpH6PUTy6J2InpMWi","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 on Base or Ethereum, returning the raw, formatted, and symbol data for any ERC-20 contract.","exampleAgentPrompt":"What's the USDC balance for wallet address 0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045 on Base, using the USDC contract 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913?","exampleUseCases":[{"title":"DeFi portfolio balance check","prompt":"Can you check how much USDC wallet 0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045 holds on Base? The USDC contract is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913."},{"title":"Airdrop eligibility verification","prompt":"I need to verify whether address 0xAbc123…def456 holds any of our token (contract 0x111…222) on Ethereum before we include them in the airdrop — can you fetch the balance?"},{"title":"Automated wallet monitoring alert","prompt":"Check the current WETH balance for address 0xDEAD…BEEF on Base using the WETH contract address 0x4200000000000000000000000000000000000006, so I can see if it's dropped below a threshold."}],"resultDescription":"Returns a JSON object with four fields: 'balance' (human-readable decimal, e.g. '12.5'), 'raw' (the on-chain integer before decimal adjustment, e.g. '12500000'), 'symbol' (the token ticker, e.g. 'USDC'), and 'decimals' (the token's decimal places, e.g. 6).","failureModes":["Invalid or malformed EVM address returns an error","Unsupported chain value (only 'base' and 'ethereum' accepted)","Invalid ERC-20 contract address returns an error or zero balance","Network/RPC timeout from the German hub node","Payment failure via x402 if USDC balance is insufficient"],"whenToPreferThis":"Prefer this endpoint when you need a no-account, pay-per-call ERC-20 balance lookup on Base or Ethereum, especially when you want to avoid signing up for a full blockchain data provider. Ideal for lightweight agents making occasional balance checks without managing API keys. The x402 micropayment model makes it cost-effective at $0.002 per call.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-27T06:36:33.152Z","isFirstParty":false,"canonicalSlug":"erc-20-token-balance-lookup-base-ethereum-germany-hub-1ae3b5dc"}