{"uid":"cap_m_qxrpKCq-mVqp6VtSeRr","slug":"phantom-api-avalanche-nft-by-owner-3c807450","name":"Phantom API – Avalanche 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/avalanche/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_WUsFVux2AjyC-OuQCHYbT","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 Avalanche blockchain, with pagination support","exampleAgentPrompt":"Show me all the NFTs owned by Avalanche wallet 0xAbc123... — fetch up to 50 results.","exampleUseCases":[{"title":"NFT portfolio audit for a wallet","prompt":"I want to see every NFT currently held in Avalanche wallet 0xDe45F...abc — give me the full list, up to 100 items."},{"title":"Gating check for NFT-based access","prompt":"Check whether the Avalanche wallet 0x7fA1...C3b holds any NFTs from our drop — I need to verify ownership before granting access."},{"title":"Paginating through a large NFT collection","prompt":"The Avalanche wallet 0xBb29...11e has a huge collection — start fetching its NFTs with a limit of 20 and give me a page key so I can continue browsing."}],"resultDescription":"Returns a paginated list of NFTs owned by the specified Avalanche wallet address, including token IDs, contract addresses, metadata, and a pageKey for fetching the next page of results.","failureModes":["Invalid or malformed wallet address returns a 400 or empty result","Wallet with no NFTs returns an empty list","Expired or invalid pageKey breaks pagination and may return an error","Rate limiting or quota exceeded on the pay-per-call plan","Network timeout on slow Avalanche RPC nodes","Payment not processed (x402) results in 402 response blocking the call"],"whenToPreferThis":"Use this endpoint when you need on-chain NFT ownership data specifically on the Avalanche network, with pay-per-call pricing via x402 (no API key subscription needed). Prefer it over self-hosted RPC calls when you want a managed, low-latency abstraction that handles indexing across 57+ networks and returns structured NFT metadata without raw RPC parsing.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T13:02:20.027Z","isFirstParty":false}