NFT APINft Ownership Endpoints

Is Holder Of Contract

isHolderOfContract - Determines whether a specific wallet holds any NFT from a given contract. 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.

Path parameters

apiKeystringRequired

Query parameters

walletstringRequired

String - Wallet address to check for contract ownership.

contractAddressstringRequired

String - Contract address for the NFT contract (ERC721 and ERC1155 supported).

Response

Returns whether the specified wallet holds any NFT from the given contract.

isHolderOfContractbooleanOptional

Whether the given wallet owns any token in the given NFT contract.