How can I view 0x13a39a3c's crypto portfolio?

You can view the full portfolio of 0x13a39a3c (0x13a3b29c5f0b1ec9695a67389a90a7a5c1919a3c) on Zerion at https://app.zerion.io/0x13a3b29c5f0b1ec9695a67389a90a7a5c1919a3c/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.