{"uid":"cap_b-VUiGnta1ELWAZ_gIMAc","slug":"hcrb-in-eth-usdc-balance-check-de646989","name":"hcrb.in ETH & USDC Balance Check","description":"Native ETH and one ERC-20 balance (default USDC) for an address on Base, raw and formatted. Result carries a signed receipt.","url":"https://hcrb.in/v1/tools/balance-check/call?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"input":{"type":"object","required":["address"],"properties":{"address":{"type":"string","description":"EVM address, 0x-prefixed."},"token_address":{"type":"string","description":"ERC-20 token contract address (optional; defaults to USDC on Base)."}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","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":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_8lOjYieCqb6jamU2GpS_V","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns native ETH balance and one ERC-20 token balance (defaulting to USDC) for any EVM address on Base, with raw and formatted amounts and a signed receipt.","exampleAgentPrompt":"What's the ETH and USDC balance for wallet 0xAbC123...def456 on Base right now? I want raw and formatted amounts with a signed receipt.","exampleUseCases":[{"title":"Pre-payment wallet sufficiency check","prompt":"Before I send that USDC payment, can you confirm that wallet 0x1234...abcd has at least enough USDC on Base to cover it? Show me the formatted balance with a signed proof."},{"title":"Portfolio snapshot for a user address","prompt":"What are the current ETH and USDC balances on Base for my address 0xDead...Beef? Give me both the human-readable amounts and the raw values."},{"title":"Custom ERC-20 token balance lookup","prompt":"Check the balance of token contract 0xA0b8...eB48 for address 0x9876...fedc on Base — I need the raw and formatted amounts with a signed receipt."}],"resultDescription":"Returns native ETH balance and one ERC-20 token balance (defaulting to USDC on Base) in both raw (wei/smallest unit) and human-readable formatted form, along with a cryptographically signed receipt attesting to the result.","failureModes":["Invalid or malformed EVM address returns an error","Token contract address not deployed on Base returns zero or error","Network congestion may cause slow RPC responses","Non-0x-prefixed address rejected by schema validation","USDC default may not apply if wrong chain context assumed"],"whenToPreferThis":"Choose this endpoint when you need a single, verifiable on-chain balance check for ETH plus one ERC-20 token on Base, especially when a signed receipt is required for proof or audit purposes. Prefer it over generic blockchain explorers when you need programmatic, structured output with both raw and formatted amounts in one call.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-20T06:46:12.330Z","isFirstParty":false,"canonicalSlug":"hcrb-in-eth-usdc-balance-check-de646989"}