How can I view 201888eth's crypto portfolio?

You can view the full portfolio of 201888eth (0x850c372f8c0c30f7a909999b57834cf44eee54f6) on Zerion at https://app.zerion.io/0x850c372f8c0c30f7a909999b57834cf44eee54f6/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.