{"uid":"cap_BpjUy2NmvZOQzVy7oCRvL","slug":"agent402-tools-nft-floor-price-d379d721","name":"agent402.tools NFT Floor Price","description":"Get the current floor price for an NFT collection across OpenSea + LooksRare (Ethereum). Returns per-marketplace floor (ETH), collection URL, retrieval timestamp, and the cheapest cross-marketplace floor with the marketplace tag. Use to price a collection without scraping marketplace UIs, or to detect cross-venue arbitrage gaps.","url":"https://agent402.tools/api/nft-floor","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"network":{"type":"string","description":"Chain: ethereum, base, polygon, arbitrum, optimism (default ethereum). Cross-marketplace floors are Ethereum-mainnet only."},"contract":{"type":"string","description":"NFT contract address (0x-prefixed 40-hex)."}}},"responseSchema":{"type":"json","example":{"source":"alchemy-nft-v3","network":"ethereum","openSea":{"available":true,"floorPrice":13.5,"retrievedAt":"2026-06-22T19:00:00.000Z","collectionUrl":"https://opensea.io/collection/boredapeyachtclub","priceCurrency":"ETH"},"contract":"0xbc4ca0eda7647a8ab7c2061c2e118a18a936f13d","looksRare":{"available":true,"floorPrice":13.7,"retrievedAt":"2026-06-22T19:00:00.000Z","collectionUrl":"https://looksrare.org/collections/0xbc4c...","priceCurrency":"ETH"},"cheapestFloorEth":13.5,"cheapestMarketplace":"opensea"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","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":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_wzW1qJhKufaYyYQCqIXtK","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Fetches the current floor price for an NFT collection across OpenSea and LooksRare on Ethereum, returning per-marketplace and cross-marketplace cheapest floor in ETH.","exampleAgentPrompt":"What's the cheapest floor price right now for the NFT collection at Ethereum contract 0xBC4CA0EdA7647A8aB7C2061c2E118A18a936f13D — check both OpenSea and LooksRare and tell me which marketplace is lowest.","exampleUseCases":null,"resultDescription":"Returns per-marketplace floor prices in ETH for OpenSea and LooksRare, the collection URLs for each, a retrieval timestamp, and a single cheapest cross-marketplace floor value tagged with the marketplace name.","failureModes":["Invalid or non-NFT contract address returns an error or empty results","Non-Ethereum network requested for cross-marketplace floor (only Ethereum mainnet supported)","Contract address not found on either marketplace returns null or zero floors","Rate limiting or marketplace API outage may cause partial or failed responses","Malformed 0x address format returns a validation error"],"whenToPreferThis":"Use this endpoint when you need real-time NFT floor prices aggregated across OpenSea and LooksRare on Ethereum in a single call, especially when you want the cheapest available entry price with marketplace attribution. Prefer this over single-marketplace lookups when comparative pricing matters.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T19:14:05.681Z","isFirstParty":false}