{"uid":"cap_oBdIwCrLnqUUDzhcN5pXv","slug":"phantom-api-base-nft-floor-price-1fb2278b","name":"Phantom API — Base 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/base/nft/floor-price?utm_source=zero.xyz","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_EKT7sR-NGgAaMJURGrLDk","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 Base blockchain given a contract address","exampleAgentPrompt":"What's the current floor price for the NFT collection at contract address 0x1234...abcd on Base?","exampleUseCases":[{"title":"Check NFT collection entry price","prompt":"What's the floor price right now for the NFT collection at 0xd4e4078ca3495de5b1d4db434bebc5a986197ae6 on Base? I'm thinking about buying in."},{"title":"NFT portfolio valuation bot","prompt":"Look up the floor price for the Base NFT contract 0xa5f1ea7df861952863df2e8d1312f7305dabf215 so I can estimate the current value of my holdings."},{"title":"Alert on floor price drop","prompt":"Fetch the current floor price for the Base NFT collection at contract 0x7d1af7b17a89fc9c4f6200e2ba5f1eaa4e0cc1cb — I want to know if it's dropped below my target buy price."}],"resultDescription":"Returns the current floor price of the specified NFT collection on the Base blockchain, likely including the price value in ETH or USD and possibly marketplace source data.","failureModes":["Invalid or non-existent contract address returns an error or empty result","Contract address exists but is not an NFT collection returns an error","Network congestion or RPC issues may cause timeouts","Payment of $0.01 USDC required per call via x402; missing or failed payment results in 402 response","Contract on a different chain (not Base) may return no data"],"whenToPreferThis":"Use this endpoint when you need real-time NFT floor price data specifically on the Base blockchain and want a simple pay-per-call model without a subscription. Prefer this over general NFT marketplaces APIs when you need programmatic on-chain access with micropayment billing via x402 protocol.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-20T18:54:29.896Z","isFirstParty":false,"canonicalSlug":"phantom-api-base-nft-floor-price-1fb2278b"}