How can I view 0xb5547d16's crypto portfolio?

You can view the full portfolio of 0xb5547d16 (0xb554d0c582b3dc16431b8e9b73f41eca0e057d16) on Zerion at https://app.zerion.io/0xb554d0c582b3dc16431b8e9b73f41eca0e057d16/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.