How can I view 09090909090909eth's crypto portfolio?

You can view the full portfolio of 09090909090909eth (0xa883ce2ffad80206c963cbbc2630eb6957a69601) on Zerion at https://app.zerion.io/0xa883ce2ffad80206c963cbbc2630eb6957a69601/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.