How can I view 1ethereth's crypto portfolio?

You can view the full portfolio of 1ethereth (0x0945c91d5ddc3cdfdf7fdd45ded0746d0f31296e) on Zerion at https://app.zerion.io/0x0945c91d5ddc3cdfdf7fdd45ded0746d0f31296e/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.