{"uid":"cap_jAb9Rao0IwY2a8GKd8g5_","slug":"signalharness-token-balance-changes-analysis-954fdcf8","name":"SignalHarness Token Balance Changes Analysis","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/token_balance_changes/invoke","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"token_balance_changes_request":{"type":"string","maxLength":65536,"minLength":2}}},"responseSchema":{"type":"json","example":{"replay":false,"result":{"warnings":["Records must be complete for the requested comparison scope."],"service_id":"token_balance_changes","evidence_scope":"caller_supplied_data","token_balance_changes":"{\"records\":[{\"account\":\"0x0000000000000000000000000000000000000001\",\"after_atomic\":\"8\",\"before_atomic\":\"5\",\"delta_atomic\":\"3\"}],\"total_delta_atomic\":\"3\"}"},"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":"token_balance_changes","executionId":"example-execution","startedAtMs":0,"amountAtomic":"10000","resultSha256":"9303f2a7ff85c07aa90686c37a68e488fe12b2a739d927b12df1e783e0561689","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_uTgHSo6tYATeG4TLDLpqz","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":"Analyzes token balance changes from caller-supplied blockchain or financial data and returns structured findings with warnings.","exampleAgentPrompt":"Can you analyze these token transaction records and tell me what the net balance changes are, flagging anything unusual: [paste transaction data here]?","exampleUseCases":[{"title":"DeFi wallet balance audit","prompt":"I have a list of on-chain transactions for a wallet over the past month — can you run them through the token balance changes analyzer and tell me the net change per token and any warnings that come up?"},{"title":"Detect suspicious balance movements","prompt":"Look at this set of token transfer records and identify any significant or unexpected balance changes — I want to know if anything looks off before I report to compliance."},{"title":"Portfolio rebalancing summary","prompt":"Here's my trading activity from last week across several ERC-20 tokens. Can you analyze the token balance changes and give me a summary of what moved and by how much?"}],"resultDescription":"Returns a JSON object containing a token_balance_changes field with the analysis result, a list of warnings for any data quality or anomaly issues, the evidence_scope indicating the data source was caller-supplied, and a full execution receipt including payment ID, latency, network (Base/eip155:8453), amount charged (10000 atomic USDC units = $0.01), and a SHA-256 hash of the result for verification.","failureModes":["Input string too short (below 2 characters) or too long (above 65536 characters) returns validation error","Malformed or unparseable token data may produce empty results with warnings","Network or payment settlement failure returns status other than 'succeeded'","Ambiguous or insufficient transaction data may yield low-confidence output with warnings populated"],"whenToPreferThis":"Choose this endpoint when you have raw token transaction or balance data that you want analyzed for net changes, anomalies, or movement summaries — especially when you need a cryptographically receipted result (SHA-256 hash) for auditability. It is purpose-built for on-chain token balance change extraction at $0.01 per call, making it cost-effective for high-frequency agent pipelines on Base network.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T13:01:52.028Z","isFirstParty":false}