How can I view harteleth's crypto portfolio?

You can view the full portfolio of harteleth (0xf9e1d1e9f22c96752356adfd377231528c7e851e) on Zerion at https://app.zerion.io/0xf9e1d1e9f22c96752356adfd377231528c7e851e/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.