{"uid":"cap_EFtl8klND5h93dm6dlLWW","slug":"signalharness-nft-transfer-history-d390572a","name":"SignalHarness NFT Transfer History","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/nft_transfer_history/invoke","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"nft_history_request":{"type":"string","maxLength":65536,"minLength":2}}},"responseSchema":{"type":"json","example":{"replay":false,"result":{"warnings":["History completeness depends on supplied records."],"service_id":"nft_transfer_history","evidence_scope":"caller_supplied_data","nft_transfer_history":"{\"first_timestamp_ms\":1700000000000,\"last_timestamp_ms\":1700000000000,\"transfer_count\":1,\"transfers\":[{\"from\":\"0x0000000000000000000000000000000000000001\",\"log_index\":0,\"timestamp_ms\":1700000000000,\"to\":\"0x0000000000000000000000000000000000000002\",\"token_id\":\"1\",\"transaction_hash\":\"0xaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\"}]}"},"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":"nft_transfer_history","executionId":"example-execution","startedAtMs":0,"amountAtomic":"10000","resultSha256":"6d8bf2864bd92022fe8c2513727acc46520e6b478d43b9cb853b810aeaf8e3fa","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_mHfrMBjpd819FrgV7rnmb","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":"Retrieves the on-chain transfer history for a given NFT, returning provenance and movement records.","exampleAgentPrompt":"Can you pull the full on-chain transfer history for NFT token ID 4201 from contract 0xBC4CA0EdA7647A8aB7C2061c2E118A18a936f13D on Base? I need to see every wallet that has ever held it.","exampleUseCases":[{"title":"NFT provenance audit before purchase","prompt":"Before I buy this NFT, can you pull the full transfer history for token ID 7652 from contract 0xBC4CA0EdA7647A8aB7C2061c2E118A18a936f13D? I want to see every wallet that has owned it and when."},{"title":"Tracking stolen NFT movement","prompt":"I think my NFT was stolen — it's token ID 312 from contract 0x34d85c9CDeB23FA97cb08333b511ac86E1C4E258. Can you trace all its on-chain transfers to see where it ended up?"},{"title":"Portfolio due diligence for NFT fund","prompt":"I'm evaluating an NFT collection for investment. Can you retrieve the transfer history for token ID 1 through a few representative tokens on contract 0xb47e3cd837dDF8e4c57F05d70Ab865de6e193BBB to see how actively they've been trading?"}],"resultDescription":"Returns a JSON object containing the NFT transfer history records including prior owners, transaction timestamps, and transfer events. Also includes a status field, warnings array, execution receipt with payment details, and a SHA-256 hash of the result for verification.","failureModes":["Invalid or malformed NFT contract address returns an error or empty history","Token ID not found on-chain returns empty results with a warning","Unsupported blockchain network returns a failure status","Malformed request string causes a parsing error","Payment failure (insufficient USDC) prevents execution and returns 402"],"whenToPreferThis":"Choose this endpoint when you need to retrieve on-chain NFT transfer provenance through a simple pay-per-call API without managing your own blockchain node or indexer. It is well-suited for agents that need occasional, on-demand NFT history lookups priced at $0.01 USDC per call with execution receipts for auditability.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T12:33:13.978Z","isFirstParty":false}