How can I view 0x91e07dd0's crypto portfolio?

You can view the full portfolio of 0x91e07dd0 (0x91e029edca1403a3bf0b95cc80d27cbb65697dd0) on Zerion at https://app.zerion.io/0x91e029edca1403a3bf0b95cc80d27cbb65697dd0/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.