{"uid":"cap_gnfz_WNFKRpEkXyem7nQ2","slug":"agent-tollgate-engine-wallet-balance-lookup-28a377a8","name":"Agent Tollgate Engine – Wallet Balance Lookup","description":"50 pay-per-call tools for agents over x402 (USDC on Base, Polygon, Solana): crypto market data, token audits, indicators, swap routing, web extraction, DNS/WHOIS/email checks, FX, weather and AI text/image tools.","url":"https://skinwinking.com/api/v1/data/wallet-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","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","required":["chain","address"],"properties":{"chain":{"enum":["solana","ethereum","base","polygon","arbitrum"],"type":"string","description":"One of solana, ethereum, base, polygon, arbitrum"},"address":{"type":"string","description":"Wallet address"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"native":{"amount":0.0046,"symbol":"SOL"},"tokens":[{"mint":"EPjF...","amount":1.5}]}},"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_AoqPE4V7vi8HzEPhqAs2K","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 native token balance and SPL/ERC-20 token holdings for a given wallet address on a specified blockchain.","exampleAgentPrompt":"What is the current balance of wallet address EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v on Solana — show me both the native SOL amount and any tokens it holds?","exampleUseCases":[{"title":"Portfolio snapshot for DeFi user","prompt":"Can you check the wallet balance for 0x742d35Cc6634C0532925a3b844Bc9e7595f62794 on Ethereum and tell me what native ETH and tokens it holds right now?"},{"title":"Verify airdrop receipt on Base","prompt":"I just received an airdrop — can you confirm the current token balances in my Base wallet at address 0xAbC123...def456 so I can see if the tokens arrived?"},{"title":"Multi-chain treasury audit","prompt":"Pull the wallet balance for address 9WzDXwBbmkg8ZTbNMqUxvQRAyrZzDsGYdLVL9zYtAWWM on Solana and tell me how much SOL and which SPL tokens it holds."}],"resultDescription":"Returns a JSON object with a 'native' field containing the native token amount and symbol (e.g. SOL, ETH, MATIC), and a 'tokens' array listing each held token's mint/contract address and amount.","failureModes":["Invalid or malformed wallet address returns an error or empty result","Unsupported chain value causes a 400-level error","Address with zero activity may return empty token arrays","Network-level timeout or RPC unavailability causes failure","Payment not processed (x402) prevents the call from completing"],"whenToPreferThis":"Use this endpoint when you need a quick, pay-per-call balance check across Solana, Ethereum, Base, Polygon, or Arbitrum without setting up your own RPC node. It is ideal for AI agents that need on-demand wallet snapshots as part of a broader workflow (e.g. checking balances before routing a swap) and want to pay micro-fees in USDC rather than maintaining an API subscription.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-31T18:41:37.990Z","isFirstParty":false,"canonicalSlug":"agent-tollgate-engine-wallet-balance-lookup-28a377a8"}