How can I view 0xf54c9901's crypto portfolio?

You can view the full portfolio of 0xf54c9901 (0xf54c8663db08a9aaae95eefffe8d6fbccd119901) on Zerion at https://app.zerion.io/0xf54c8663db08a9aaae95eefffe8d6fbccd119901/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.