How can I view 0x56831471's crypto portfolio?

You can view the full portfolio of 0x56831471 (0x56835d3efa2929eb177a7e049ccf40b177141471) on Zerion at https://app.zerion.io/0x56835d3efa2929eb177a7e049ccf40b177141471/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.