{"uid":"cap_datgKplNWFu-9oTa4Y56p","slug":"signalharness-typed-data-inspector-270f7ef3","name":"SignalHarness Typed Data Inspector","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/typed_data_inspect/invoke","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"typed_data_inspection_request":{"type":"string","maxLength":65536,"minLength":2}}},"responseSchema":{"type":"json","example":{"replay":false,"result":{"warnings":["Inspection does not prove signer intent or contract acceptance."],"service_id":"typed_data_inspect","evidence_scope":"caller_supplied_data","typed_data_inspection":"{\"cycles\":[],\"dependencies\":{\"Note\":[]},\"digest\":\"0x8db8c5ec3114da2288a018bc3f8bae3e5e0ef77c3848832fe9adbea12c047e1b\",\"primary_type\":\"Note\",\"type_count\":1}"},"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":"typed_data_inspect","executionId":"example-execution","startedAtMs":0,"amountAtomic":"10000","resultSha256":"480517af2e8dd70dc8a034225025d5027cd47c129473117e26371bb150ecbdce","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_eHoTzpUeomm0BH1LeVbLZ","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":"Inspects and analyzes EIP-712 typed structured data (or similar typed data formats) to surface warnings, validate structure, and assess replay risk.","exampleAgentPrompt":"Can you inspect this EIP-712 typed data payload and tell me if there are any warnings or replay risks before I sign it? Here's the typed data: {\"types\":{\"EIP712Domain\":[{\"name\":\"name\",\"type\":\"string\"}]},\"domain\":{\"name\":\"MyApp\"},\"primaryType\":\"Order\",\"message\":{\"amount\":\"100\"}}","exampleUseCases":[{"title":"Pre-signing typed data safety check","prompt":"Before I approve this transaction, can you inspect this typed data and flag any warnings or replay attack risks? Here's the raw typed data string from my wallet prompt."},{"title":"Agent wallet security validation","prompt":"My AI agent is about to sign an EIP-712 message on my behalf — can you run it through the typed data inspector first and tell me if it looks safe or if there are any issues I should know about?"},{"title":"Smart contract interaction audit","prompt":"I have a typed data payload from a DeFi protocol I'm interacting with — can you inspect it and return any warnings about the structure or whether it could be replayed?"}],"resultDescription":"Returns a JSON object containing: a boolean replay flag indicating replay risk, a typed_data_inspection string with the analysis narrative, a warnings array listing any detected issues, the evidence_scope confirming the data source, and a full receipt with payment and execution metadata including requestId, executionId, latencyMs, and a SHA-256 hash of the result.","failureModes":["Input string too short (below 2 chars) or too long (above 65536 chars) returns validation error","Malformed or unparseable typed data may yield empty or low-confidence inspection","Payment failure via x402 protocol results in 402 response before execution","Network issues on Base (eip155:8453) may delay or fail settlement","Ambiguous or non-standard typed data formats may produce generic warnings only"],"whenToPreferThis":"Choose this endpoint when you need a quick, cheap ($0.01 USDC) automated inspection of EIP-712 or other typed structured data before signing or processing — especially useful for AI agents acting autonomously on behalf of users in Web3 workflows where replay attack detection and structured data validation are critical safety gates.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-16T00:50:54.218Z","isFirstParty":false}