How can I view newjapaneth's crypto portfolio?

You can view the full portfolio of newjapaneth (0x38b491ee5692fd41e3ccbd14a6fcf9f405f7a5e8) on Zerion at https://app.zerion.io/0x38b491ee5692fd41e3ccbd14a6fcf9f405f7a5e8/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.