{"uid":"cap_ZhCJZ2lN7Fmsiu9-OiCnT","slug":"tollkit-chain-balance-99037b32","name":"Tollkit Chain Balance","description":"Pay-per-call product page extraction. No account, no API key: pay in-band with x402 in USDC on Base or Solana.","url":"https://data.tollkit.dev/chain/balance?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"chain":{"enum":["base","ethereum","solana"],"type":"string","default":"base","description":"Which chain to read: \"base\" (default), \"ethereum\" or \"solana\"."},"tokens":{"type":"array","items":{"type":"string","pattern":"^(0x[0-9a-fA-F]{40}|[1-9A-HJ-NP-Za-km-z]{32,44})$"},"maxItems":20,"description":"Extra ERC-20 contracts (or SPL mints on Solana) to include."},"address":{"type":"string","pattern":"^(0x[0-9a-fA-F]{40}|[1-9A-HJ-NP-Za-km-z]{32,44})$","description":"Wallet (or contract) address to check."}}},"responseSchema":null,"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_tttZCNgsm1jY1DgNq_knc","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":"Returns the native token and ERC-20/SPL token balances for a given wallet or contract address on Base, Ethereum, or Solana, paid per-call via x402 in USDC.","exampleAgentPrompt":"Check the native balance and USDC token balance (contract 0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48) for wallet 0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045 on Ethereum.","exampleUseCases":[{"title":"DeFi portfolio snapshot","prompt":"What's the native ETH balance and DAI holdings (contract 0x6B175474E89094C44Da98b954EedeAC495271d0F) for wallet 0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045 on Ethereum?"},{"title":"Solana wallet token check","prompt":"Can you look up the SOL balance and SPL token balance for mint EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v on Solana wallet 9WzDXwBbmkg8ZTbNMqUxvQRAyrZzDsGYdLVL9zYtAWWM?"},{"title":"Base address funding verification","prompt":"Check whether address 0x742d35Cc6634C0532925a3b844Bc454e4438f44e has any USDC on Base — include the contract 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 in the token list."}],"resultDescription":"Returns the native token balance and any requested ERC-20 or SPL token balances for the queried address on the specified chain. Typically includes token amounts, decimals, and contract/mint identifiers for each asset.","failureModes":["Invalid or malformed wallet address returns a validation error","Unsupported chain value (outside base/ethereum/solana enum) causes a 400 error","Invalid ERC-20 contract or SPL mint address in tokens array causes partial or failed lookup","Payment failure via x402 (insufficient USDC, wrong chain) causes a 402 Payment Required response","Rate-limiting or node unavailability may cause transient 5xx errors"],"whenToPreferThis":"Choose this endpoint when you need on-chain balance data for a wallet or contract without registering an API key — ideal for agent workflows where pay-per-call x402 micropayments are preferred over subscription billing. Best for quick, single-address balance lookups across Base, Ethereum, or Solana with optional multi-token support.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-11T18:36:25.039Z","isFirstParty":false,"canonicalSlug":"tollkit-chain-balance-99037b32"}