{"uid":"cap_AHkosX1AuO6iTyIrWQpMG","slug":"phantom-api-polygon-nft-by-owner-9565c352","name":"Phantom API — Polygon 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/polygon/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_VSYtagb7Qtm46O06VJE8W","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 specific wallet address on the Polygon blockchain, with pagination support.","exampleAgentPrompt":"Can you pull up all the NFTs owned by Polygon wallet 0xABC123... — show me up to 50 at a time?","exampleUseCases":[{"title":"NFT portfolio audit for a wallet","prompt":"Show me all the NFTs held by Polygon address 0x1234abcd... — I want to see everything they own, up to 100 items."},{"title":"Verify NFT ownership before access","prompt":"Check whether Polygon wallet 0xDeAdBeEf... owns any NFTs right now — I need to verify they hold at least one before granting them access."},{"title":"Paginated NFT gallery feed","prompt":"Fetch the next page of NFTs for Polygon wallet 0x9999aaaa... using page key 'abc-page-key-xyz', limit 25 results."}],"resultDescription":"Returns a list of NFTs owned by the specified Polygon wallet address, including token metadata (name, contract, token ID, image, etc.) and a pagination key for fetching subsequent pages when the owner holds more NFTs than the requested limit.","failureModes":["Invalid or malformed owner wallet address returns an error","Polygon network congestion may cause timeouts or slow responses","Invalid pageKey causes pagination failure or empty results","Limit value out of acceptable range may be rejected","Payment failure via x402 prevents the call from being processed"],"whenToPreferThis":"Use this endpoint when you need to enumerate NFTs owned by a specific wallet on the Polygon network specifically, with pay-per-call pricing via x402 and no subscription required. Prefer this over general-purpose NFT APIs when you need lightweight, fast Polygon NFT lookups without setting up API key credentials.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T18:42:01.697Z","isFirstParty":false}