How can I view 0x0d9da20b's crypto portfolio?

You can view the full portfolio of 0x0d9da20b (0x0d9d9debe995eb56a6622be20856a3fe21c9a20b) on Zerion at https://app.zerion.io/0x0d9d9debe995eb56a6622be20856a3fe21c9a20b/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.