How can I view 0x4da4c9cd's crypto portfolio?

You can view the full portfolio of 0x4da4c9cd (0x4da434cae88af95ccddaba693943e8d357a5c9cd) on Zerion at https://app.zerion.io/0x4da434cae88af95ccddaba693943e8d357a5c9cd/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.