How can I view 0x9b458dfc's crypto portfolio?

You can view the full portfolio of 0x9b458dfc (0x9b45ecc8baa8f2ef6dc40a108f41a0ca7c668dfc) on Zerion at https://app.zerion.io/0x9b45ecc8baa8f2ef6dc40a108f41a0ca7c668dfc/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.