{"uid":"cap_aPuYIxSU0pAlVAJerE-OG","slug":"phantom-api-optimism-nft-floor-price-a8dedd1e","name":"Phantom API — Optimism 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/optimism/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_TZBV4lHX_VRp-GiyRBeKg","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 a given NFT collection contract on the Optimism network","exampleAgentPrompt":"What's the current floor price for the NFT collection at contract address 0x1234...abcd on Optimism?","exampleUseCases":[{"title":"NFT portfolio floor price tracking","prompt":"What's the floor price right now for the NFT collection at contract 0xAbCdEf1234567890 on Optimism? I want to know if it's dropped below my buy-in price."},{"title":"NFT arbitrage opportunity detection","prompt":"Can you check the floor price for the Optimism NFT collection at contract 0xDeAdBeEf00001234? I'm comparing prices across chains to spot an arbitrage opportunity."},{"title":"NFT collection valuation for a report","prompt":"I need the current floor price for the NFT project at Optimism contract address 0x9999AAAAbbbbCCCC — I'm putting together a market overview and need the latest on-chain data."}],"resultDescription":"Returns the current floor price for the specified NFT collection on Optimism, likely including the price value in ETH or relevant token denomination, sourced directly from on-chain data.","failureModes":["Invalid or non-existent contract address returns an error or empty result","Contract address exists but has no active listings, resulting in a null floor price","Network issues or Optimism RPC downtime causing request failure","Malformed contract address format causing a validation error","Payment failure via x402 preventing the call from completing"],"whenToPreferThis":"Choose this endpoint when you need real-time, on-chain NFT floor price data specifically for the Optimism Layer 2 network. It is ideal for agents monitoring NFT collections, evaluating portfolio value, or comparing prices across chains. Prefer this over generic NFT APIs when Optimism-specific data is required and pay-per-call pricing is acceptable.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T00:51:47.992Z","isFirstParty":false}