{"uid":"cap_gVWePAXdSLa0zO-v0EuA3","slug":"bnb-chain-token-balance-lookup-24ff51cb","name":"BNB Chain Token Balance Lookup","description":"High-speed API suite for AI processing, web scraping, and smart data utilities across 57+ blockchain networks. Pay-per-call via x402.","url":"https://synapse-api-brown.vercel.app/api/bnb/token/balances","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"owner":{"type":"string"},"contractAddresses":{"type":"array","items":{"type":"string"}}}},"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__TvX9mLloNua3zUg5t0tj","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 token balances for a given wallet address across specified BEP-20 contract addresses on BNB Chain","exampleAgentPrompt":"What are the BEP-20 token balances for wallet 0xAbC...123 on BNB Chain for contract addresses 0xToken1 and 0xToken2?","exampleUseCases":[{"title":"DeFi portfolio balance audit","prompt":"Show me the token balances for wallet 0x1234abcd on BNB Chain for these three contracts: 0xPancake, 0xCake, and 0xBNBToken — I want to know exactly how much of each token this address holds."},{"title":"Whale wallet token monitoring","prompt":"Check the BEP-20 token balances on BNB Chain for address 0xWhale999 across contract addresses 0xUSDT_BSC and 0xBUSD — I'm tracking large holder positions."},{"title":"User onboarding token verification","prompt":"Look up whether wallet address 0xUserABC on BNB Chain has any balance in our platform token at contract 0xMyToken so I can verify they're eligible for the airdrop."}],"resultDescription":"Returns a list of token balances for the specified owner wallet across the given BEP-20 contract addresses on BNB Chain, including token amounts per contract.","failureModes":["Invalid or malformed wallet address returns error","Non-existent or invalid contract address may return zero balance or error","Missing required 'owner' field causes validation error","Rate limiting or payment failure via x402 protocol returns 402 status","Network or RPC issues on BNB Chain may cause timeout or unavailability"],"whenToPreferThis":"Use this endpoint when you need to look up BEP-20 token balances on BNB Chain (BSC) for a specific wallet across one or more token contracts. Prefer this over generic blockchain explorers when you need programmatic, pay-per-call access without API key management, or when building automated DeFi portfolio tools that pay via x402/USDC.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T19:06:53.484Z","isFirstParty":false}