How can I view 0x00f255ef's crypto portfolio?

You can view the full portfolio of 0x00f255ef (0x00f2d9550c60cb33e470a1e24f5dd0d12aa155ef) on Zerion at https://app.zerion.io/0x00f2d9550c60cb33e470a1e24f5dd0d12aa155ef/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.