{"uid":"cap_Azsr4maRAvxiyQecxpse1","slug":"eip-712-typed-data-signature-risk-decoder-58981723","name":"EIP-712 Typed-Data Signature Risk Decoder","description":"","url":"https://gpt55.558686.xyz/v1/paid/eip712-signature-risk-decoder","method":"POST","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method","bodyType","body"],"properties":{"body":{"type":"object","properties":{"json":{"type":"string","maxLength":50000,"minLength":2},"text":{"type":"string","maxLength":50000,"minLength":2},"chain":{"type":"string","maxLength":80},"value":{"type":"object","additionalProperties":true},"typedData":{"oneOf":[{"type":"object","additionalProperties":true},{"type":"string","maxLength":50000,"minLength":2}]},"typed_data":{"oneOf":[{"type":"object","additionalProperties":true},{"type":"string","maxLength":50000,"minLength":2}]},"known_addresses":{"type":"object","additionalProperties":{"type":"string"}},"expected_chain_id":{"oneOf":[{"type":"string"},{"type":"number"}]}},"additionalProperties":false},"type":{"type":"string","const":"http"},"method":{"enum":["POST"],"type":"string"},"bodyType":{"enum":["json","form-data","text"],"type":"string"}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","properties":{"ok":{"type":"boolean"},"tool":{"type":"string"},"fetchedAt":{"type":"string"}},"additionalProperties":true}}}}},"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_1B1r0r58Tcc3Ftu88LEgH","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Inspects EIP-712, Permit, and Permit2 typed-data structures before signing to surface spender, value, deadline, nonce, chainId, and verifyingContract risk fields","exampleAgentPrompt":"Before I sign this Permit2 message, decode it and tell me who the spender is, how much value they can take, when the deadline expires, and whether there are any red flags — here's the typed data: {typedData}","exampleUseCases":null,"resultDescription":"Returns a structured risk report including decoded spender address, value at risk, deadline, nonce, chain ID, verifying contract, and any identified risk warnings or anomalies present in the EIP-712 / Permit / Permit2 typed-data payload","failureModes":["Malformed or unparseable typed data returns a parse error","Missing required typed-data fields yields incomplete risk assessment","Unrecognized domain or verifyingContract may return unknown risk label","Payment not included or insufficient USDC results in 402 response","Invalid chain ID causes chain mismatch warning or error","Extremely large typed-data payloads may be rejected due to maxLength limits"],"whenToPreferThis":"Use this endpoint when an AI agent or wallet needs to programmatically assess the risk of an EIP-712, Permit, or Permit2 signature request before the user approves it — especially when spender identity, token value, deadlines, or chain context need to be surfaced clearly. Prefer this over generic contract decoders when the payload is specifically a typed-data signing request rather than a raw transaction.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T00:46:07.600Z","isFirstParty":false}