How can I view 0xd140ef78's crypto portfolio?

You can view the full portfolio of 0xd140ef78 (0xd1401ac4bf0d4c2fccff89c9d150f991efb2ef78) on Zerion at https://app.zerion.io/0xd1401ac4bf0d4c2fccff89c9d150f991efb2ef78/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.