How can I view 0xmasoudeth's crypto portfolio?

You can view the full portfolio of 0xmasoudeth (0xa3df90bf8e8183a74b537b27e3955ba7d8de199c) on Zerion at https://app.zerion.io/0xa3df90bf8e8183a74b537b27e3955ba7d8de199c/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.