{"uid":"cap_HIAMaMWj2jqUrGoxdfotV","slug":"signalharness-nft-ownership-summary-a0a19457","name":"SignalHarness NFT Ownership Summary","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_ownership_summary/invoke","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"nft_ownership_request":{"type":"string","maxLength":65536,"minLength":2}}},"responseSchema":{"type":"json","example":{"replay":false,"result":{"warnings":["Summary is not a current ownership lookup."],"service_id":"nft_ownership_summary","evidence_scope":"caller_supplied_data","nft_ownership_summary":"{\"owner_count\":1,\"owners\":{\"0x0000000000000000000000000000000000000001\":[\"1\",\"2\"]},\"token_record_count\":2}"},"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_ownership_summary","executionId":"example-execution","startedAtMs":0,"amountAtomic":"10000","resultSha256":"edac9af878a53b3c72486d0d7b48f999913c34624107775125814049630f8840","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_lETeqw3g12f6SssMG-Pmh","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 and summarizes NFT ownership details from caller-supplied data about a wallet or collection","exampleAgentPrompt":"Can you summarize the NFT ownership for this wallet — here's the data I have: wallet 0xABC123 on Base holds tokens from the Bored Apes and Pudgy Penguins collections. Give me a clean ownership summary.","exampleUseCases":[{"title":"Portfolio overview for NFT collector","prompt":"I have this data about a wallet's NFT holdings across several collections — can you summarize what they own and flag anything unusual? Here's the raw info: wallet 0x7fC3...d9A2 holds 12 Azuki tokens, 3 from CloneX, and 1 from BAYC."},{"title":"Verify NFT ownership before token-gated access","prompt":"Before I grant this user access to my token-gated Discord, can you summarize whether wallet 0xDeadBeef...1234 actually owns any tokens from the Moonbirds collection? Here's the ownership data I pulled."},{"title":"Audit NFT holdings for compliance report","prompt":"I need to document the NFT assets held by this wallet for our quarterly digital asset report — here's the raw ownership data for wallet 0x9F12...44CC across Base and Ethereum collections, please give me a structured summary."}],"resultDescription":"Returns a JSON object containing an nft_ownership_summary string describing the NFT holdings, any warnings encountered during analysis, an evidence_scope field indicating the data came from caller-supplied input, a status field ('succeeded'), and a full receipt with payment ID, request ID, execution ID, network, and result hash for auditability.","failureModes":["Empty or malformed nft_ownership_request string returns an error or empty summary","Input exceeding 65,536 characters is rejected","Ambiguous or unstructured input may produce warnings in the warnings array","Network or payment processing failure returns a non-succeeded status"],"whenToPreferThis":"Choose this endpoint when you have raw NFT ownership data (wallet info, token lists, collection details) that needs to be distilled into a human-readable summary. It is ideal for agent workflows where structured NFT data has already been fetched from a chain indexer and needs interpretation, or when you want a concise ownership narrative rather than raw on-chain data. It operates on caller-supplied data rather than fetching on-chain state itself, so pair it with a chain data source upstream.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T13:06:11.719Z","isFirstParty":false}