How can I view maroketh's crypto portfolio?

You can view the full portfolio of maroketh (0xad936fbfe83af945a1facca58fd1fa4a964016bf) on Zerion at https://app.zerion.io/0xad936fbfe83af945a1facca58fd1fa4a964016bf/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.