How can I view 0xff12b8da's crypto portfolio?

You can view the full portfolio of 0xff12b8da (0xff127b9c0005abb7d2e58367de8f8f6cef72b8da) on Zerion at https://app.zerion.io/0xff127b9c0005abb7d2e58367de8f8f6cef72b8da/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.