get https://{network}.g.alchemy.com/nft/v3//summarizeNFTAttributes
summarizeNFTAttributes - Generates a summary of attribute prevalence for a specific NFT collection. 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) & Polygon (mainnet & mumbai)