{"uid":"cap_hsdkxGtvjfinybWSolAfa","slug":"phantom-api-optimism-nft-by-owner-f5686bf4","name":"Phantom API — Optimism NFT by Owner","description":"Lightning-fast access to blockchain data, smart contract insights, and Web3 infrastructure across 57+ networks. Pay-per-call via x402.","url":"https://phantom-api-omega.vercel.app/api/optimism/nft/by-owner?utm_source=zero.xyz","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_euo1r5AL3MBUkekPJzDVL","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 all NFTs owned by a given wallet address on the Optimism network, with pagination support.","exampleAgentPrompt":"Show me all the NFTs owned by wallet 0xAbCd...1234 on the Optimism network — fetch up to 50 results.","exampleUseCases":[{"title":"NFT portfolio audit for OP wallet","prompt":"What NFTs does the wallet 0x742d35Cc6634C0532925a3b8D4C9B3B8e1a2F3D4 own on Optimism? Grab up to 100 results."},{"title":"NFT gating for Optimism holders","prompt":"Check whether wallet 0xDeadBeef00000000000000000000000000000001 holds any NFTs on Optimism — I need to verify ownership before granting access."},{"title":"Paginated NFT inventory fetch","prompt":"I need to page through all NFTs owned by 0xUser...5678 on Optimism — start from where I left off using page key 'abc123' and give me the next 25 items."}],"resultDescription":"Returns a list of NFTs owned by the specified wallet address on the Optimism chain, including token metadata (contract address, token ID, name, image, description), along with a pagination key for fetching subsequent pages when the owner holds more NFTs than the requested limit.","failureModes":["Invalid or malformed wallet address returns an error or empty result","Network/RPC unavailability on Optimism causes timeout or 5xx","Missing required 'owner' field returns a validation error","Invalid pageKey causes a pagination failure or restarted result set","Rate limiting or payment failure (x402) blocks the request"],"whenToPreferThis":"Use this endpoint when you specifically need to enumerate NFT holdings for a wallet address on the Optimism L2 network and want pay-per-call pricing without a subscription. Prefer this over general Ethereum mainnet NFT APIs when the user is interested in Optimism-native or bridged NFTs on OP chain.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-20T18:56:30.788Z","isFirstParty":false,"canonicalSlug":"phantom-api-optimism-nft-by-owner-f5686bf4"}