How can I view 0x3129c8b5's crypto portfolio?

You can view the full portfolio of 0x3129c8b5 (0x31293c4e665a6775b4ff252667776565c5fcc8b5) on Zerion at https://app.zerion.io/0x31293c4e665a6775b4ff252667776565c5fcc8b5/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.