How can I view 0x91fcc174's crypto portfolio?

You can view the full portfolio of 0x91fcc174 (0x91fcb5dba217ff1d47e2b98ccd88f175e89bc174) on Zerion at https://app.zerion.io/0x91fcb5dba217ff1d47e2b98ccd88f175e89bc174/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.