How can I view temasekholdingeth's crypto portfolio?

You can view the full portfolio of temasekholdingeth (0x229adb9002a8e42e5f7b8762d09612e9ffd6337f) on Zerion at https://app.zerion.io/0x229adb9002a8e42e5f7b8762d09612e9ffd6337f/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.