{"uid":"cap_ZSZs0Ibycf1u0o2LEKnlE","slug":"synapse-api-unichain-nft-by-owner-lookup-957e073a","name":"Synapse API — Unichain NFT by Owner Lookup","description":"High-speed API suite for AI processing, web scraping, and smart data utilities across 57+ blockchain networks. Pay-per-call via x402.","url":"https://synapse-api-brown.vercel.app/api/unichain/nft/by-owner","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"limit":{"type":"number"},"owner":{"type":"string"},"pageKey":{"type":"string"}}},"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_PpPSYb4KBrVHDsIW07I9E","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":"Fetches all NFTs owned by a given wallet address on the Unichain blockchain network, with optional pagination.","exampleAgentPrompt":"Can you pull up all the NFTs owned by wallet address 0xAbC123...def456 on Unichain — show me up to 20 results?","exampleUseCases":[{"title":"NFT portfolio snapshot for a wallet","prompt":"Show me all the NFTs held by wallet 0x1234...abcd on Unichain, up to 50 at a time."},{"title":"Verify NFT ownership before gating access","prompt":"Check if wallet 0xDeadBeef...9999 on Unichain actually owns any NFTs from a specific collection before I grant them access."},{"title":"Paginate through large NFT collection","prompt":"I already fetched the first page of NFTs for wallet 0xABC...789 on Unichain — now fetch the next page using the pageKey I got back."}],"resultDescription":"Returns a paginated list of NFTs owned by the specified wallet address on Unichain, including token IDs, contract addresses, NFT metadata (name, image, attributes), and a pageKey for fetching subsequent pages if more results exist.","failureModes":["Invalid or malformed owner address returns an error or empty result","Unichain network unavailable causes timeout or 503","Invalid pageKey causes pagination error or restart from beginning","Limit value out of acceptable range returns validation error","No NFTs owned returns an empty list without error"],"whenToPreferThis":"Use this endpoint when you specifically need NFT holdings data for a wallet on the Unichain network. Prefer it over generic NFT APIs when your use case is Unichain-native and you need pay-per-call pricing without a subscription commitment. Well-suited for agents that need to check ownership, build portfolio views, or gate access based on Unichain NFT holdings.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T12:59:14.255Z","isFirstParty":false}