get https://{network}.g.alchemy.com/nft/v3//getFloorPrice
getFloorPrice - Retrieves the floor prices of an NFT collection across different marketplaces. This endpoint is supported on Ethereum and many L2s, including Polygon, Arbitrum, Optimism, Base, World Chain and more. See the full list of supported networks here.
NOTE
Please note that this endpoint is only available on Ethereum mainnet for Opensea & Looksrare marketplaces.