How can I view 0x1d4cb5e9's crypto portfolio?

You can view the full portfolio of 0x1d4cb5e9 (0x1d4c11c3d5d80a52c8f257058e13c2039cf7b5e9) on Zerion at https://app.zerion.io/0x1d4c11c3d5d80a52c8f257058e13c2039cf7b5e9/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.