{"uid":"cap_lRLS4k3An7UZTkiMDHBJr","slug":"usd-coin-usdc-balance-on-base-network-514335bc","name":"USD Coin (USDC) Balance on Base Network","description":"Base USDC wallet balance for Market research: Read a wallet token balance on Base for a supplied ERC-20 contract. Focus: market research. Uses live Coinbase Exchange or Base RPC data.","url":"https://market.datapackvibe.com/x402/crypto-base-usdc-balance-market-research?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"token":{"type":"string","default":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"},"address":{"type":"string","default":"0x8bc2AECdD86097F74a1a5fa17764108D9a683C8C"}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_1UldrtFb_R3_TxqKJU77_","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Fetches the live USDC token balance for a given wallet address on the Base blockchain using an ERC-20 contract lookup.","exampleAgentPrompt":"What's the current USDC balance for wallet address 0x8bc2AECdD86097F74a1a5fa17764108D9a683C8C on Base — use the standard USDC contract 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913?","exampleUseCases":[{"title":"DeFi portfolio USDC snapshot","prompt":"Can you check the current USDC balance on Base for my wallet 0x8bc2AECdD86097F74a1a5fa17764108D9a683C8C so I know my stablecoin position right now?"},{"title":"Market research on whale wallet holdings","prompt":"I'm doing market research — can you pull the live USDC balance on Base for wallet 0xAbCd1234AbCd1234AbCd1234AbCd1234AbCd1234 using the USDC contract 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913?"},{"title":"Verify counterparty USDC funds before trade","prompt":"Before I proceed with this OTC deal, can you verify how much USDC the counterparty wallet 0x1234567890abcdef1234567890abcdef12345678 is holding on Base?"}],"resultDescription":"Returns the live USDC token balance held by the specified wallet address on the Base network, derived from on-chain ERC-20 contract data via Coinbase Exchange or Base RPC.","failureModes":["Invalid wallet address format returns an error or zero balance","Invalid or non-USDC ERC-20 contract address returns incorrect or zero balance","Network congestion or RPC unavailability may delay or fail the response","Address with no USDC holdings returns a zero balance (not an error)","Payment of $0.01 USDC required — missing payment results in 402 rejection"],"whenToPreferThis":"Use this endpoint when you need a real-time, live on-chain USDC balance for any Base network wallet address, particularly for market research, portfolio monitoring, counterparty due diligence, or DeFi analytics workflows. Prefer this over general blockchain explorers when you need a programmatic, agent-callable lookup with live data rather than a UI-driven search.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-01T06:47:41.529Z","isFirstParty":false,"canonicalSlug":"usd-coin-usdc-balance-on-base-network-514335bc"}