{"uid":"cap_8Lo1Zf-yaTSliMmHf9KVo","slug":"phantom-api-arbitrum-nft-floor-price-0b0236e5","name":"Phantom API — Arbitrum NFT Floor Price","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/arbitrum/nft/floor-price","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"contractAddress":{"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_wRvlUIrOsVHy_46LoDv6g","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":"Returns the current floor price for an NFT collection on the Arbitrum network given a contract address","exampleAgentPrompt":"What's the current floor price for the NFT collection at contract address 0x1234...abcd on Arbitrum?","exampleUseCases":[{"title":"NFT portfolio floor tracking","prompt":"Check the floor price right now for the NFT collection at contract 0xBc4CA0EdA7647A8aB7C2061c2E118A18a936f13D on Arbitrum — I want to know if it's dropped below my buy threshold."},{"title":"Arbitrage opportunity detection","prompt":"Pull the floor price for the NFT contract 0xED5AF388653567Af2F388E6224dC7C4b3241C544 on Arbitrum so I can compare it against what the same collection is trading for on Ethereum mainnet."},{"title":"NFT market research report","prompt":"I'm building a report on blue-chip NFT collections on Arbitrum — can you get me the current floor price for contract address 0xa7d8d9ef8D8Ce8992Df33D8b8CF4Aebabd5bD270?"}],"resultDescription":"Returns the current floor price of the specified NFT collection on Arbitrum, typically expressed as a numeric price value in ETH or the native currency, sourced directly from on-chain or aggregated marketplace data.","failureModes":["Invalid or non-existent contract address returns an error or null result","Contract exists but has no NFT listings, resulting in no floor price available","Network congestion or RPC issues causing delayed or failed responses","Contract address is on a different chain than Arbitrum, returning incorrect or no data","Payment failure via x402 protocol blocks the request before execution"],"whenToPreferThis":"Choose this endpoint when you need fast, pay-per-call NFT floor price data specifically on the Arbitrum network without committing to a subscription. It is ideal for agents that need occasional or event-driven floor price checks rather than continuous streaming. Prefer this over general blockchain explorers when you need structured, ready-to-use price data without parsing raw on-chain events.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T06:54:39.468Z","isFirstParty":false}