{"uid":"cap_mEz8nyIGkLQlr6sMK0LRF","slug":"proofaudit-ai-chain-of-custody-verification-9c1ac86c","name":"ProofAudit.ai Chain-of-Custody Verification","description":"Capture, verify, approve, and export audit-ready evidence packs for credit, compliance, and financial operations.","url":"https://proofaudit.ai/api/x402/chain-of-custody?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input","output"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","POST"],"type":"string"},"headers":{"type":"object","additionalProperties":{"type":"string"}},"queryParams":{"type":"object","additionalProperties":{"type":"string"}}},"additionalProperties":false},"output":{"type":"object","required":["type","example"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"ticker":"PROOF","network":"base","service":"ProofAudit.ai","success":true,"verified":true,"nodesPortal":"https://proofaudit.ai/nodes","sealedSha256":"PROOF-87B43B8DEB11505A","protocolToken":"0x87b43b8dEb11505ADc6898899961d6d419CaBB07"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.025","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":"$0.025/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.025","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.025","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_w8aw1HO3IrBmhAFc7QRcj","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.025","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Retrieves a sealed, verifiable chain-of-custody audit record with cryptographic proof hash for compliance and financial operations.","exampleAgentPrompt":"Pull a sealed chain-of-custody audit record from ProofAudit.ai so I can attach the cryptographic proof hash and verification status to our compliance filing for this credit approval.","exampleUseCases":[{"title":"Credit underwriting audit trail","prompt":"I need to attach an audit-ready evidence pack with a sealed SHA-256 hash to our credit decision file — can you fetch the chain-of-custody verification from ProofAudit.ai for this approval?"},{"title":"Regulatory compliance evidence export","prompt":"Our compliance team needs a tamper-proof chain-of-custody record for the regulator — grab the sealed verification receipt from ProofAudit.ai including the protocol token address and verification status."},{"title":"Internal financial operations sign-off","prompt":"Before we close out this transaction, can you retrieve a ProofAudit chain-of-custody record so we have a cryptographic proof that every approval step was captured and verified?"}],"resultDescription":"Returns a JSON object containing: a success and verified boolean status, the sealed SHA-256 proof hash (e.g. 'PROOF-87B43B8DEB11505A'), the on-chain protocol token contract address on the Base network, the PROOF ticker, and a link to the nodes portal at proofaudit.ai/nodes.","failureModes":["Payment not included or invalid USDC amount — returns 402 Payment Required","Invalid or missing required query parameters — returns 400 Bad Request","Service temporarily unavailable — returns 503 with no audit record","Verification failure — returns success:false or verified:false in payload","Network congestion on Base chain may delay sealed hash generation"],"whenToPreferThis":"Choose this endpoint when you need a cryptographically sealed, blockchain-anchored chain-of-custody record for compliance, credit, or financial audit purposes — especially when regulators or counterparties require tamper-proof evidence packs with SHA-256 hashes and on-chain token references on the Base network.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-17T12:38:27.372Z","isFirstParty":false,"canonicalSlug":"proofaudit-ai-chain-of-custody-verification-9c1ac86c"}