How can I view thanhanhoeth's crypto portfolio?

You can view the full portfolio of thanhanhoeth (0x5f9d7cef3e9298de2e91ff0cb486ce2c7ffc5144) on Zerion at https://app.zerion.io/0x5f9d7cef3e9298de2e91ff0cb486ce2c7ffc5144/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.