{"uid":"cap_u_m7kAlaqfidQI2wsm0a4","slug":"einstein-ai-x402-api-wallet-token-holdings-portfolio-analyzer-b9cfbd99","name":"Einstein AI x402 API – Wallet Token Holdings & Portfolio Analyzer","description":"Analyze complete token holdings and portfolio composition for any wallet. Supported chains: ethereum, base, bsc, arbitrum, polygon. Default chain: ethereum. Required params: walletAddress.","url":"https://api.relai.fi/relay/1769629274857/x402/bitquery/wallet-holdings","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"chain":{"enum":["base","ethereum","bsc","arbitrum","polygon","optimism","solana"],"type":"string","description":"Blockchain to query (e.g., base, ethereum, bsc, solana)"},"walletAddress":{"type":"string","description":"Wallet address (for wallet-specific queries)"}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.550000","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":"$0.550000/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.55","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.55","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_tEwTLCCbdUouo8i1d2OBp","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.55","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Fetches complete token holdings and portfolio composition for a given wallet address across major EVM-compatible blockchains","exampleAgentPrompt":"What tokens does wallet 0x742d35Cc6634C0532925a3b844Bc454e4438f44e hold on Ethereum? I want to see the full portfolio composition and all token balances.","exampleUseCases":null,"resultDescription":"A structured list of all token holdings and portfolio composition for the queried wallet, including token names, amounts, and asset breakdown across the specified blockchain (ethereum, base, bsc, arbitrum, or polygon).","failureModes":["Missing walletAddress parameter returns validation error","Invalid wallet address format returns error","Unsupported chain value returns enum validation error","Payment failure (insufficient USDC balance) blocks request under x402 protocol","Wallet with no token holdings returns empty portfolio","Bitquery upstream timeout or rate limit causes 5xx error"],"whenToPreferThis":"Use this endpoint when you need on-chain token holding data for a specific wallet across popular EVM chains, especially when you want multi-chain portfolio composition rather than just native balances. Prefer this over generic block explorers when you need structured, machine-readable token portfolio data for agent workflows.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T12:56:39.092Z","isFirstParty":false}