How can I view gustongeth's crypto portfolio?

You can view the full portfolio of gustongeth (0xe9baf2accf6f74b9b575584dc31617726d1c2134) on Zerion at https://app.zerion.io/0xe9baf2accf6f74b9b575584dc31617726d1c2134/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.