How can I view 0x1b5c52ce's crypto portfolio?

You can view the full portfolio of 0x1b5c52ce (0x1b5c4f484d81dcab34428c7e25b4187e55d952ce) on Zerion at https://app.zerion.io/0x1b5c4f484d81dcab34428c7e25b4187e55d952ce/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.