How can I view 0001221eth's crypto portfolio?

You can view the full portfolio of 0001221eth (0x9a9cd621bd840f45a9bf206d712681472f749d08) on Zerion at https://app.zerion.io/0x9a9cd621bd840f45a9bf206d712681472f749d08/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.