How can I view 0xfeb66743's crypto portfolio?

You can view the full portfolio of 0xfeb66743 (0xfeb623adaf1821de8a0689d544c672269d736743) on Zerion at https://app.zerion.io/0xfeb623adaf1821de8a0689d544c672269d736743/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.