{"uid":"cap_-mfbpcsmLo_z14pHEjuGG","slug":"agent402-tools-usdc-balance-checker-7b5454c9","name":"agent402.tools USDC Balance Checker","description":"Read the USDC balance of any address on Base, Polygon, Arbitrum, Optimism, Ethereum, Monad, Celo, Avalanche, or Sei. Read-only on-chain call. The minimal single-token read for payment flows - for EVERY token a wallet holds in one call use wallet-balance. ?address=0x…&network=base","url":"https://agent402.tools/api/usdc-balance","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":["address"],"properties":{"address":{"type":"string","description":"0x EVM address"},"network":{"type":"string","description":"chain: base | polygon | arbitrum | optimism | ethereum | monad | celo | avalanche | sei | robinhood (default base)"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","required":["address","usdc","raw","token","network"],"properties":{"raw":{"type":"string"},"usdc":{"type":"string"},"token":{"type":"string"},"address":{"type":"string"},"network":{"type":"string"}}}}}}},"responseSchema":{"type":"json","example":{"raw":"12500000","usdc":"12.5","token":"USDC","address":"0x…","network":"base"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.003","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":"$0.003/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_SC_BVUy5UM36HyUIbUeQt","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.003","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns the USDC token balance of any EVM address on Base, Polygon, Arbitrum, Optimism, or Ethereum via a read-only on-chain call","exampleAgentPrompt":"What's the current USDC balance for 0x742d35Cc6634C0532925a3b844Bc454e4438f44e on Base?","exampleUseCases":null,"resultDescription":"Returns the USDC token balance for the queried address on the specified network, as a numeric value representing the amount of USDC held by that address.","failureModes":["Invalid or malformed 0x address returns an error","Unsupported network name returns an error","RPC/node connectivity issues may cause timeouts","Address with no USDC returns a zero balance (not an error)","Missing required address parameter returns a 400-level error"],"whenToPreferThis":"Use this endpoint when you need a quick, read-only on-chain USDC balance for any EVM wallet address across the five major EVM networks (Base, Polygon, Arbitrum, Optimism, Ethereum) without needing to set up your own RPC connection or Web3 library.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T19:14:04.383Z","isFirstParty":false}