How can I view 0x37e3cdc2's crypto portfolio?

You can view the full portfolio of 0x37e3cdc2 (0x37e3a7cd064261ebef525ef846b0e100d0a1cdc2) on Zerion at https://app.zerion.io/0x37e3a7cd064261ebef525ef846b0e100d0a1cdc2/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.