How can I view 0x81a954ac's crypto portfolio?

You can view the full portfolio of 0x81a954ac (0x81a91b3f4b28d44672aade6a20ea51b1553854ac) on Zerion at https://app.zerion.io/0x81a91b3f4b28d44672aade6a20ea51b1553854ac/overview — including token balances, DeFi positions, NFTs, and transaction history across 20+ chains.

How can I access wallet portfolio data programmatically?

Use the Zerion API at https://developers.zerion.io to query any wallet's portfolio, token positions, DeFi positions, NFTs, and transaction history programmatically.