How can I view 0xa319804d's crypto portfolio?

You can view the full portfolio of 0xa319804d (0xa31978a297a8e78e7c8aef86eec055786d65804d) on Zerion at https://app.zerion.io/0xa31978a297a8e78e7c8aef86eec055786d65804d/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.