How can I view 0x1b99316e's crypto portfolio?

You can view the full portfolio of 0x1b99316e (0x1b99c3462cb6f40b9505cf4b7bd417f2435c316e) on Zerion at https://app.zerion.io/0x1b99c3462cb6f40b9505cf4b7bd417f2435c316e/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.