How can I view 004199eth's crypto portfolio?

You can view the full portfolio of 004199eth (0x6196f785e518ac7a27ce5eb59faee9ef4ff6df42) on Zerion at https://app.zerion.io/0x6196f785e518ac7a27ce5eb59faee9ef4ff6df42/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.