{"uid":"cap_7abEVeqsKfynkYPQn1nRW","slug":"phantom-api-robinhood-token-balances-938fa9ab","name":"Phantom API — Robinhood Token Balances","description":"Lightning-fast access to blockchain data, smart contract insights, and Web3 infrastructure across 57+ networks. Pay-per-call via x402.","url":"https://phantom-api-omega.vercel.app/api/robinhood/token/balances?utm_source=zero.xyz","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_kgAMZ5ahlIGjhwcVr0EDT","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 token balances for a given wallet owner address, optionally filtered by specific contract addresses, using Robinhood's on-chain data infrastructure.","exampleAgentPrompt":"What token balances does the wallet 0xABC...123 hold? I want to know about these specific tokens: 0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48 and 0xdAC17F958D2ee523a2206206994597C13D831ec7.","exampleUseCases":[{"title":"Portfolio snapshot for a DeFi user","prompt":"Can you pull all the token balances held by the wallet 0x1234...abcd so I can see their full on-chain portfolio?"},{"title":"Verify specific token holdings before a trade","prompt":"Check whether the wallet 0xDEAD...BEEF holds any USDC (contract 0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48) and how much, before I proceed with this trade."},{"title":"Monitor whale wallet token composition","prompt":"What ERC-20 tokens does the whale wallet 0x742d35Cc...f4C7 currently hold? Filter for these three contract addresses: 0xA0b8..., 0xdAC1..., and 0x6B17...."}],"resultDescription":"Returns a list of token balances associated with the specified owner wallet address, including token identifiers and amounts for each held token, optionally scoped to a provided list of contract addresses.","failureModes":["Invalid or malformed wallet address returns an error or empty result","Contract address not found on the target network returns zero or null balance","Rate limiting or payment failure (x402) if USDC micropayment is not properly handled","Network not supported returns an error response","Empty response if wallet holds no tokens matching the filter"],"whenToPreferThis":"Choose this endpoint when you need fast, pay-per-call on-chain token balance lookups for a specific wallet without committing to a full node provider subscription. Ideal for agents that need occasional wallet portfolio checks across 57+ networks without maintaining their own blockchain infrastructure. Best when you already have a wallet address and optionally specific contract addresses to check.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-20T12:37:42.073Z","isFirstParty":false,"canonicalSlug":"phantom-api-robinhood-token-balances-938fa9ab"}