How can I view 0x47b39aa4's crypto portfolio?

You can view the full portfolio of 0x47b39aa4 (0x47b3aea9e1229f802db1fc20e6bee70e891f9aa4) on Zerion at https://app.zerion.io/0x47b3aea9e1229f802db1fc20e6bee70e891f9aa4/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.