How can I view 0xfef32d21's crypto portfolio?

You can view the full portfolio of 0xfef32d21 (0xfef3792e70af1ed7f2d3c16a5c3ef20a2b902d21) on Zerion at https://app.zerion.io/0xfef3792e70af1ed7f2d3c16a5c3ef20a2b902d21/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.