How can I view popstudioeth's crypto portfolio?

You can view the full portfolio of popstudioeth (0x66842ad563b4881d40a5003263df36354508a5d0) on Zerion at https://app.zerion.io/0x66842ad563b4881d40a5003263df36354508a5d0/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.