How can I view 0xb809f9aa's crypto portfolio?

You can view the full portfolio of 0xb809f9aa (0xb80968eefb402c13651eeef053617a8ab100f9aa) on Zerion at https://app.zerion.io/0xb80968eefb402c13651eeef053617a8ab100f9aa/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.