How can I view 0xb4eb9a87's crypto portfolio?

You can view the full portfolio of 0xb4eb9a87 (0xb4eb49ada1ddcef7cb14a2ca780deb072c509a87) on Zerion at https://app.zerion.io/0xb4eb49ada1ddcef7cb14a2ca780deb072c509a87/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.