How can I view 0x0a3a0894's crypto portfolio?

You can view the full portfolio of 0x0a3a0894 (0x0a3a0cf2b9f37e15d3d559b85b8a26a3099b0894) on Zerion at https://app.zerion.io/0x0a3a0cf2b9f37e15d3d559b85b8a26a3099b0894/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.