How can I view 0x54900e28's crypto portfolio?

You can view the full portfolio of 0x54900e28 (0x549063dd3380440e2c92c9709a49b616237c0e28) on Zerion at https://app.zerion.io/0x549063dd3380440e2c92c9709a49b616237c0e28/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.