How can I view 0xc31772f4's crypto portfolio?

You can view the full portfolio of 0xc31772f4 (0xc31743d75bd5c6a7836834a4f4b2b97db59772f4) on Zerion at https://app.zerion.io/0xc31743d75bd5c6a7836834a4f4b2b97db59772f4/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.