How can I view diamondhendseth's crypto portfolio?

You can view the full portfolio of diamondhendseth (0x900328c10dbf57df58f9aba8f3093d650e937d02) on Zerion at https://app.zerion.io/0x900328c10dbf57df58f9aba8f3093d650e937d02/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.