How can I view 0x18342ff7's crypto portfolio?

You can view the full portfolio of 0x18342ff7 (0x1834414c46e7efed6f6899f52e8e9e2eca0d2ff7) on Zerion at https://app.zerion.io/0x1834414c46e7efed6f6899f52e8e9e2eca0d2ff7/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.