How can I view mentalist5eth's crypto portfolio?

You can view the full portfolio of mentalist5eth (0xcad8cfb0e040e60c713a67bf50e0c7aefdf80d36) on Zerion at https://app.zerion.io/0xcad8cfb0e040e60c713a67bf50e0c7aefdf80d36/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.