How can I view 0xf8ef55a5's crypto portfolio?

You can view the full portfolio of 0xf8ef55a5 (0xf8ef60833a904ca0f4d2080b95cb16fb466f55a5) on Zerion at https://app.zerion.io/0xf8ef60833a904ca0f4d2080b95cb16fb466f55a5/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.