get https://{network}.g.alchemy.com/nft/v3//isAirdropNFT
isAirdropNFT - Determines whether a specific token is marked as an airdrop. Airdrops are defined as NFTs minted to a user address in a transaction sent by a different address. 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.