{"uid":"cap_pOmcXxL27X4q8862BGO7c","slug":"api-hyperd-ai-3fec962c","name":"HyperD Multi-Chain Token Balance Lookup","description":"Multi-chain ERC-20 + native balance lookup (Base, Ethereum, Polygon, Arbitrum). Pass ?chain=all for parallel multi-chain.","url":"https://api.hyperd.ai/api/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","required":["address"],"properties":{"chain":{"enum":["base","ethereum","polygon","arbitrum","optimism","avalanche","bnb","base-sepolia","all"],"type":"string"},"token":{"type":"string"},"address":{"type":"string"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":{"request":{"input":{"type":"http","method":"GET","queryParams":{"chain":"base","address":"0x1234567890123456789012345678901234567890"}}},"response":{"name":"USD Coin","chain":"base","token":"USDC","symbol":"USDC","address":"0x1234567890123456789012345678901234567890","balance":"92.448861","decimals":6,"timestamp":"2026-05-29T23:59:15.931Z","rawBalance":"92448861","tokenAddress":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"}},"exampleRequest":{"chain":"base","address":"0x1234567890123456789012345678901234567890"},"tags":["x402"],"displayCostAmount":"0.01","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"settled","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_HhYQZGUW4T7v1wyCu2Vgi","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":"Fetches ERC-20 and native token balances for a wallet address across Base, Ethereum, Polygon, Arbitrum, and other EVM chains, with optional parallel multi-chain mode.","exampleAgentPrompt":"What's the USDC balance for wallet 0xAbC123...def on Base — and also check all other supported chains in parallel while you're at it?","exampleUseCases":null,"resultDescription":"Returns the ERC-20 or native token balance for the specified wallet address on the requested chain(s). When chain=all is passed, results are returned in parallel across Base, Ethereum, Polygon, Arbitrum, Optimism, Avalanche, BNB, and Base Sepolia. Includes balance amounts per token and chain.","failureModes":["Invalid wallet address format returns an error response","Unsupported chain value returns a validation error","Token contract address not found on specified chain returns zero or not-found result","Rate limiting or payment failure (x402) if USDC payment is not attached","Network timeout on a specific chain when using chain=all parallel mode"],"whenToPreferThis":"Use this endpoint when you need to check ERC-20 or native token balances for any EVM-compatible wallet across popular chains like Base, Ethereum, Polygon, Arbitrum, or Optimism. It is especially useful when you need a quick multi-chain snapshot via chain=all. Prefer this over general RPC calls when you want a normalized, aggregated response without managing individual chain RPC endpoints.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-11T00:38:57.067Z","isFirstParty":false,"canonicalSlug":"api-hyperd-ai-3fec962c"}