{"uid":"cap_SalJ4rVSdY6uwSO6T6-KM","slug":"chain-erc20-balance-fc68fa71","name":"chain-erc20-balance","description":"ERC-20 token balance of a wallet, read live on-chain: send \"token,wallet\". Default chain Base; prefix another: ethereum:, arbitrum:, optimism:, polygon:, bsc:. $0.01 per call.","url":"https://chain.intel.rallylive.ca/chain/erc20-balance?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$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","properties":{}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"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_sdNR_BPQWz0FCY_uyHRBU","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":"Returns the live on-chain ERC-20 token balance for a given wallet address across multiple EVM chains including Base, Ethereum, Arbitrum, Optimism, Polygon, and BSC.","exampleAgentPrompt":"What is the live on-chain USDC balance for wallet 0xAbC123...def on Base right now?","exampleUseCases":[{"title":"DeFi bot pre-trade balance check","prompt":"Before executing this swap, check the live on-chain USDC balance for wallet 0x1234...abcd on Arbitrum so I know if there are enough funds."},{"title":"Multi-chain portfolio token audit","prompt":"Can you check the WETH balance of wallet 0xDead...Beef on Ethereum mainnet and the same wallet on Polygon so I can compare holdings across chains?"},{"title":"Airdrop eligibility verification","prompt":"I need to verify the on-chain token balance of wallet 0xFeed...C0de for the AIRDROP token at contract 0xToken...1234 on Base — can you look that up live?"}],"resultDescription":"Returns the live ERC-20 token balance for the specified wallet and token contract on the requested chain, read directly from on-chain state. Typically includes the raw balance value and possibly token metadata like decimals or formatted amount.","failureModes":["Invalid token contract address returns error or zero balance","Invalid or malformed wallet address returns error","Unsupported chain prefix returns error","Network congestion or RPC issues may cause timeout","Zero balance returned if wallet holds none of the specified token"],"whenToPreferThis":"Choose this endpoint when you need a real-time, live on-chain ERC-20 token balance for a specific wallet across Base, Ethereum, Arbitrum, Optimism, Polygon, or BSC — especially in DeFi automation, pre-trade checks, or airdrop verification workflows where stale cached data is unacceptable.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T12:43:05.580Z","isFirstParty":false,"canonicalSlug":"chain-erc20-balance-fc68fa71"}