How can I view 0x90bfb69c's crypto portfolio?

You can view the full portfolio of 0x90bfb69c (0x90bf0d0160ce21a9fae17e206508870ec697b69c) on Zerion at https://app.zerion.io/0x90bf0d0160ce21a9fae17e206508870ec697b69c/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.