How can I view 0x03c3ec8f's crypto portfolio?

You can view the full portfolio of 0x03c3ec8f (0x03c3e07233201c582b1d7652632c9219653dec8f) on Zerion at https://app.zerion.io/0x03c3e07233201c582b1d7652632c9219653dec8f/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.