{"uid":"cap_dWWWgOqRSO8DKRDJvMroE","slug":"signalharness-wallet-multichain-snapshot-d8764f9f","name":"SignalHarness Wallet Multichain Snapshot","description":"Explore 330 pay-per-call x402 API services and 27 agent-native digital products, with Base USDC pricing, secure Polar checkout, and free discovery.","url":"https://signalharness.ai/api/agent/services/wallet_multichain_snapshot/invoke","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"wallet_multichain_request":{"type":"string","maxLength":65536,"minLength":2}}},"responseSchema":{"type":"json","example":{"replay":false,"result":{"warnings":["Balances and prices are caller supplied and may be stale."],"service_id":"wallet_multichain_snapshot","evidence_scope":"caller_supplied_data","wallet_multichain_snapshot":"{\"chains\":[\"eip155:8453\"],\"position_count\":1,\"positions\":[{\"as_of_ms\":1700000000000,\"asset\":\"USDC\",\"balance_atomic\":\"10\",\"chain_id\":\"eip155:8453\"}]}"},"status":"succeeded","receipt":{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","usage":[],"status":"succeeded","network":"eip155:8453","artifacts":[],"endedAtMs":0,"latencyMs":0,"paymentId":"example-payment","receiptId":"example-receipt","requestId":"example-request","serviceId":"wallet_multichain_snapshot","executionId":"example-execution","startedAtMs":0,"amountAtomic":"10000","resultSha256":"3c1cecc61c7a69f02ed8d003779e48279b00fdd368662130824066a02dbfc145","serviceVersion":"1.0.0","settlementReference":"0x0000000000000000000000000000000000000000000000000000000000000000"},"artifacts":[],"requestId":"example-request","executionId":"example-execution"}},"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_iLhGaqB9vKHsBP_eVK1lQ","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":"Takes a snapshot of a wallet's balances and activity across multiple blockchain networks in a single call","exampleAgentPrompt":"Can you pull a multichain snapshot for the wallet 0xAbCd1234... and show me its balances across all supported chains?","exampleUseCases":[{"title":"Portfolio overview across chains","prompt":"Give me a full multichain snapshot of my wallet 0x742d35Cc6634C0532925a3b844Bc454e4438f44e — I want to see everything it holds across all blockchains."},{"title":"DeFi audit before a trade","prompt":"Before I make this trade, can you snapshot wallet 0xdAC17F958D2ee523a2206206994597C13D831ec7 across all chains so I can see exactly what assets are available?"},{"title":"Investigative wallet research","prompt":"I need to know what a specific wallet holds across every blockchain — can you run a multichain snapshot on 0xde0B295669a9FD93d5F28D9Ec85E40f4cb697BAe and give me all the details?"}],"resultDescription":"Returns a JSON object containing the wallet_multichain_snapshot field with cross-chain balance and portfolio data, along with any warnings about data quality or coverage, a status field indicating success, and a full receipt with payment ID, execution ID, request ID, latency, network, and a SHA-256 hash of the result for verification.","failureModes":["Invalid or malformed wallet address returns an error or empty snapshot","Unsupported chain or network results in missing data with a warning","Payment failure via x402 protocol blocks execution","Rate limiting or service unavailability returns a failed status","Wallet with no activity may return an empty but valid snapshot with warnings"],"whenToPreferThis":"Choose this endpoint when you need a unified, cross-chain view of a wallet's holdings in a single API call rather than querying each blockchain individually. It is ideal for portfolio aggregation, pre-trade audits, or investigative research where multichain coverage matters. At $0.01 USDC per call it is cost-effective for spot checks and agent workflows that need wallet snapshots without managing multiple chain-specific APIs.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T19:01:50.548Z","isFirstParty":false}