How can I view 0x4f0be409's crypto portfolio?

You can view the full portfolio of 0x4f0be409 (0x4f0b87d68d6f4821d8869831f4d3736ec3c8e409) on Zerion at https://app.zerion.io/0x4f0b87d68d6f4821d8869831f4d3736ec3c8e409/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.