How can I view gallenmanwelleth's crypto portfolio?

You can view the full portfolio of gallenmanwelleth (0xe9bd921f31a408a026d037cc9817d29c8bc6c6c1) on Zerion at https://app.zerion.io/0xe9bd921f31a408a026d037cc9817d29c8bc6c6c1/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.