How can I view keiichi0608eth's crypto portfolio?

You can view the full portfolio of keiichi0608eth (0x7a1d40351b244f77f50d32ab86419fa9fe5a73c3) on Zerion at https://app.zerion.io/0x7a1d40351b244f77f50d32ab86419fa9fe5a73c3/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.