How can I view 0xfe9055ce's crypto portfolio?

You can view the full portfolio of 0xfe9055ce (0xfe902d99db15e4e06373de2d65d4c6a32c5455ce) on Zerion at https://app.zerion.io/0xfe902d99db15e4e06373de2d65d4c6a32c5455ce/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.