Is Holder Of Contract

GET

/v3/{apiKey}/isHolderOfContract

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

apiKeystringrequireddefaults to docs-demo

For higher throughput, create your own API key

Query Parameters

walletstringrequireddefaults to 0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045

String - Wallet address to check for contract ownership.

contractAddressstringrequireddefaults to 0xe785E82358879F061BC3dcAC6f0444462D4b5330

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

Responses

200

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

GET/nft/v3/{apiKey}/isHolderOfContract

curl --request GET \  --url 'https://eth-mainnet.g.alchemy.com/nft/v3/docs-demo/isHolderOfContract?wallet=0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045&contractAddress=0xe785E82358879F061BC3dcAC6f0444462D4b5330'

200Returns whether the specified wallet holds any NFT from the given contract.

{  "isHolderOfContract": false}

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