How can I view 0xe4fb6ef9's crypto portfolio?

You can view the full portfolio of 0xe4fb6ef9 (0xe4fb9ca52e39b83be69e74e7fac8f807a9c16ef9) on Zerion at https://app.zerion.io/0xe4fb9ca52e39b83be69e74e7fac8f807a9c16ef9/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.