{"uid":"cap_5uIGIOmqZ10vVFUbdfToH","slug":"ragradar-nft-token-owners-lookup-45042589","name":"RagRadar NFT Token Owners Lookup","description":"On-chain intelligence for AI agents. 73+ endpoints across Base, Arbitrum, Solana. x402 micropayments.","url":"https://backup.ragradar.space/api/nft/owners/%7Bchain%7D/%7Bcontract%7D/%7BtokenId%7D","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"responseSchema":{"type":"json","example":{"status":"ok"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.25","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":"$0.25/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.25","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.25","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_oZLA7WcZiEpX76gDDWLg3","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.25","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns the owner(s) of a specific NFT token by chain, contract address, and token ID","exampleAgentPrompt":"Who currently owns token #42 from the NFT contract 0xAbC123... on Base? Look it up on RagRadar and tell me the wallet address.","exampleUseCases":null,"resultDescription":"A JSON object containing ownership information for the specified NFT token, including the current owner's wallet address and related on-chain data for the given chain, contract, and token ID.","failureModes":["Invalid chain identifier returns error or empty result","Non-existent contract address returns 404 or empty owners list","Token ID not yet minted returns empty or error response","Network connectivity issues to backup domain may cause timeouts","Unparseable contract address format returns validation error","Payment failure via x402 micropayment returns 402 status"],"whenToPreferThis":"Use this endpoint when you need to identify the current on-chain owner of a specific NFT token by its contract address and token ID across Base, Arbitrum, or Solana. Prefer this over generic blockchain RPC calls when you want a simple REST API abstraction with x402 micropayment support and no need to manage node infrastructure.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T06:36:31.997Z","isFirstParty":false}