How can I view alex4135eth's crypto portfolio?

You can view the full portfolio of alex4135eth (0xc5f705ca8f70acc5f3d3db9636558102f528a475) on Zerion at https://app.zerion.io/0xc5f705ca8f70acc5f3d3db9636558102f528a475/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.